A plane has an airspeed of 425 mph heading at a general angle of 128 degrees. If the
wind is blow from the east (going west) at a speed of 45 mph, Find the x component of
the ground speed.

Answers

Answer 1

Answer: x component of the ground speed = cos(128 degrees) * 425 mph ≈ -161.29 mph

Step-by-step explanation:

To find the x component of the ground speed, we need to calculate the component of the airspeed in the eastward direction and subtract the component of the wind speed in the eastward direction.

Given:

Airspeed = 425 mph (heading at an angle of 128 degrees)

Wind speed = 45 mph (blowing from east to west)

To find the x component of the ground speed, we can use trigonometry. The x component is the adjacent side to the angle formed between the airspeed and the ground speed.

Using the cosine function:

cos(angle) = adjacent/hypotenuse

In this case:

cos(128 degrees) = x component of the ground speed / 425 mph

Rearranging the equation:

x component of the ground speed = cos(128 degrees) * 425 mph

Note: The negative sign indicates that the x component of the ground speed is in the opposite direction of the wind, which is eastward in this case.


Related Questions



Determine whether each matrix has an inverse. If an inverse matrix exists, find it.

[4 8 -3 -2]

Answers

The inverse of the given matrix is:[1/16 3/8 −1/16 −1/8].

Given matrix is [4 8 -3 -2].We can determine whether the given matrix has an inverse by using the determinant method, and if it does have an inverse, we can find it using the inverse method.

Determinant of matrix    is given by

||=∣11 122122∣=1122−1221

According to the given matrix

[4 8 -3 -2] ||=4(−2)−8(−3)=8−24=−16

Since the determinant is not equal to zero, the inverse of the given matrix exists.Now, we need to find out the inverse of the given matrix using the following method:

A−1=1||[−−][4 8 -3 -2]−1 ||[−2 −8−3 −4]=1−116[−2 −8−3 −4]=[1/16 3/8 −1/16 −1/8]

Therefore, the inverse of the given matrix is:[1/16 3/8 −1/16 −1/8].

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The midpoint of AB is M (1,2). If the coordinates of A are (-1,3), what are the coordinates of B?

Answers

Answer:

(3,0)

Step-by-step explanation:

To answer this, just find what was added to A to get to the midpoint, then add that to the midpoint for B.

So first, find how to get from (-1,3) to (1,2). If you add together -1 + 2, the answer is 1, the x value of the midpoint. If you subtract 3 - 1, the answer is 2, the y value of the midpoint.

Now, we just apply these to the midpoint, which should get us to the coordinates of B.

1 + 2 = 3

2 - 2 = 0

(3,0)

So, the coordinates of B are (3,0).

f(x) = x^2 + x − 6 Determine the coordinates of any maximum or minimum, and intervals of increase and decrease. And can you please explain how you got your answer.

Answers

Answer:

To find the coordinates of any maximum or minimum and the intervals of increase and decrease for the function f(x) = x^2 + x - 6, we need to analyze its first and second derivatives.

Let's go step by step:

Find the first derivative:

f'(x) = 2x + 1

Set the first derivative equal to zero to find critical points:

critical points: 2x + 1 = 0

critical points: 2x + 1 = 0 2x = -1

critical points: 2x + 1 = 0 2x = -1 x = -1/2

Determine the second derivative:

f''(x) = 2

f''(x) = 2Since the second derivative is a constant (2), we can conclude that the function is concave up for all values of x. This means that the critical point we found in step 2 is a minimum.

Determine the coordinates of the minimum:

To find the y-coordinate of the minimum, substitute the x-coordinate (-1/2) into the original function: f(-1/2) = (-1/2)^2 - 1/2 - 6 f(-1/2) = 1/4 - 1/2 - 6 f(-1/2) = -24/4 f(-1/2) = -6

So, the coordinates of the minimum are (-1/2, -6).

Analyze the intervals of increase and decrease:

Since the function has a minimum, it increases before the minimum and decreases after the minimum.

Interval of Increase:

(-∞, -1/2)

Interval of Decrease:

(-1/2, ∞)

To summarize:

The coordinates of the minimum are (-1/2, -6). The function increases on the interval (-∞, -1/2). The function decreases on the interval (-1/2, ∞).

Consider the system of linear equations 2x+3y−1z=2
x+2y+z=3
−x−y+3z=1
a. Write the system of the equations above in an augmented matrix [A∣B] b. Solve the system using Gauss Elimination Method.

Answers

Answer:

[tex](x,y,z)=(-5,4,0)[/tex]

Step-by-step explanation:

Use Gauss Elimination Method

[tex]\left[\begin{array}{cccc}2&3&-1&2\\1&2&1&3\\-1&-1&3&1\end{array}\right] \\\\\\\left[\begin{array}{cccc}1&\frac{3}{2}&-\frac{1}{2}&1\\1&2&1&3\\-1&-1&3&1\end{array}\right] \leftarrow \frac{1}{2}R_1\\\\\\\left[\begin{array}{cccc}1&\frac{3}{2}&-\frac{1}{2}&1\\0&-\frac{1}{2}&-\frac{3}{2}&-2\\-1&-1&3&1\end{array}\right] \leftarrow R_1-R_2\\\\\\\left[\begin{array}{cccc}1&\frac{3}{2}&-\frac{1}{2}&1\\0&-\frac{1}{2}&-\frac{3}{2}&-2\\0&\frac{1}{2}&\frac{5}{2}&2\end{array}\right] \leftarrow R_3+R_1[/tex]

[tex]\left[\begin{array}{cccc}1&\frac{3}{2}&-\frac{1}{2}&1\\0&1&3&4\\0&\frac{1}{2}&\frac{5}{2}&2\end{array}\right] \leftarrow -2R_2\\\\\\\left[\begin{array}{cccc}1&\frac{3}{2}&-\frac{1}{2}&1\\0&1&3&4\\0&0&2&0\end{array}\right] \leftarrow 2R_3-R_2\\\\\\\left[\begin{array}{cccc}1&\frac{3}{2}&-\frac{1}{2}&1\\0&1&3&4\\0&0&1&0\end{array}\right] \leftarrow \frac{1}{2}R_3[/tex]

Write augmented matrix as a system of equations

[tex]x+\frac{3}{2}y-\frac{1}{2}z=1\\y+3z=4\\z=0\\\\y+3z=4\\y+3(0)=4\\y=4\\\\x+\frac{3}{2}y-\frac{1}{2}z=1\\x+\frac{3}{2}(4)-\frac{1}{2}(0)=1\\x+6=1\\x=-5[/tex]

Therefore, the solution to the system is [tex](x,y,z)=(-5,4,0)[/tex].

In each of the following, find the next two terms. Assume each sequence is arithmetic or geometric, and find its common difference or ratio and the nth term Complete parts (a) through (c) below. a. −11,−7,−3,1,5,9 b. 2,−4,−8,−16,−32,−64 c. 2−2²,2³−2⁴,2⁵−2⁶

Answers

a.So, the 6th term will be:T6=-11+ (6−1)×4=13

Similarly, the 7th term will be:T7=-11+(7−1)×4=17

b.So, the 6th term will be:T6=2×[tex](-2)^(6-1)[/tex]=-64

Similarly, the 7th term will be:T7=2×[tex](-2)^(7-1)[/tex]=128

c.So, the 3rd term will be given by:[tex]2^(3-1)[/tex] - [tex]2^(4-1)[/tex]=4-8=-4

Similarly, the 4th term will be:[tex]2^(4-1) - 2^(5-1)[/tex]=8-16=-8

(a) Since each of the given terms are 4 more than the previous term,

this sequence is arithmetic with a common difference of 4.

The nth term is given by:Tn=a+(n−1)d

So, the 6th term will be:T6=-11+ (6−1)×4=13

Similarly, the 7th term will be:T7=-11+(7−1)×4=17

(b) This sequence is geometric since each term is multiplied by -2 to get the next term.
Hence, the common ratio is -2.

The nth term of a geometric sequence is given by:Tn=a[tex]r^(n-1)[/tex]

where Tn is the nth term, a is the first term and r is the common ratio.

So, the 6th term will be:T6=2×[tex](-2)^(6-1)[/tex]=-64

Similarly, the 7th term will be:T7=2×[tex](-2)^(7-1)[/tex]=128

(c) This sequence alternates between addition and subtraction of 2 raised to the power of the terms.

So, the 3rd term will be given by:[tex]2^(3-1)[/tex] - [tex]2^(4-1)[/tex]=4-8=-4

Similarly, the 4th term will be:[tex]2^(4-1) - 2^(5-1)[/tex]=8-16=-8

The next two terms in this sequence are -4 and -8.

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Perform the indicated operations. 4+5^2.
4+5^2 = ___

Answers

The value of the given expression is:

4 + 5²  = 29

How to perform the operation?

Here we have the following operation:

4 + 5²

So we want to find the sum between 4 and the square of 5.

First, we need to get the square of 5, to do so, just take the product between the number and itself, so:

5² = 5*5 = 25

Then we will get:

4 + 5² = 4 + 25 = 29

That is the value of the expression.

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Answer of the the indicated operations 4+5^2 is 29

The indicated operation in 4+5^2 is a power operation and addition operation.

To solve, we will first perform the power operation, and then addition operation.

The power operation (5^2) in 4+5^2 is solved by raising 5 to the power of 2 which gives: 5^2 = 25

Now we can substitute the power operation in the original equation 4+5^2 to get: 4+25 = 29

Therefore, 4+5^2 = 29.150 words: In the given problem, we are required to evaluate the result of 4+5^2. This operation consists of two arithmetic operations, namely, addition and a power operation.

To solve the problem, we must first perform the power operation, which in this case is 5^2. By definition, 5^2 means 5 multiplied by itself twice, which gives 25. Now we can substitute 5^2 with 25 in the original problem 4+5^2 to get 4+25=29. Therefore, 4+5^2=29.

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Which of the following lines is parallel to the line 3x+6y=5?
A. y=2x+6
B. y=3x-2
C. y= -2x+5
D. y= -1/2x-5
E. None of the above

Answers

The correct answer is B. y=3x-2.

The slope of a line determines its steepness and direction. Parallel lines have the same slope, so for a line to be parallel to 3x+6y=5, it should have a slope of -1/2. Since none of the given options have this slope, none of them are parallel to the line 3x+6y=5. This line has the same slope of 3 as the given line, which makes them parallel.

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Can 16m , 21m , 39m make a triangle

Answers

Answer:

No, since they fail the Triangle Inequality Theorem as 16 + 21 is less than 39.

Step-by-step explanation:

According to the Triangle Inequality Theorem, three side lengths are able to form a triangle if and only if the sum of any two sides is greater than the length of the third side.We see that 16 + 21 = 37 which is less than 39.

Thus, the three side lengths fail the Triangle Inequality Theorem so they can't form a triangle.

We don't have to check if 16 + 39 is greater than 29 or if 21 + 39 is greater than 16 because all three sums must be greater than the third side in order for three side lengths to form a triangle.

Evaluate the following MATLAB functions and show your answers.
(i) x = [2, 9, 4; 6, 8, 5] max(x)
(ii) x = [2, 9, 4; 6, 8, 5] [a,b] = max(x)
(iii) x = [2, 9, 4; 6, 8, 5] mean(x)
(iv) x = [2, 9, 4; 6, 8, 5; 3, 7, 1] median(x)
(v) x = [2, 9, 4; 6, 8, 5] cumprod(x)

Answers

(i) max(x) = 9

(ii) [a, b] = max(x)  ->  a = [6, 9, 5], b = [2, 1, 2]

(iii) mean(x) ≈ 5.6667

(iv) median(x) = 5

(v) cumprod(x) = [2, 18, 72; 12, 96, 480]

What is the output of `sqrt(16)` in MATLAB?

Sure! Let's evaluate each MATLAB function one by one:

(i) x = [2, 9, 4; 6, 8, 5]

  max(x)

The function `max(x)` returns the maximum value of the elements in the matrix `x`. In this case, the matrix `x` is:

  x = [2, 9, 4; 6, 8, 5]

Evaluating `max(x)` will give us the maximum value, which is 9.

Answer: max(x) = 9

(ii) x = [2, 9, 4; 6, 8, 5]

   [a, b] = max(x)

The function `max(x)` with two output arguments returns both the maximum values and their corresponding indices. In this case, the matrix `x` is:

  x = [2, 9, 4; 6, 8, 5]

Evaluating `[a, b] = max(x)` will assign the maximum values to variable `a` and their corresponding indices to variable `b`.

Answer:

  a = [6, 9, 5]

  b = [2, 1, 2]

(iii) x = [2, 9, 4; 6, 8, 5]

     mean(x)

The function `mean(x)` returns the mean (average) value of the elements in the matrix `x`. In this case, the matrix `x` is:

  x = [2, 9, 4; 6, 8, 5]

Evaluating `mean(x)` will give us the average value, which is (2 + 9 + 4 + 6 + 8 + 5) / 6 = 34 / 6 = 5.6667 (rounded to 4 decimal places).

Answer: mean(x) ≈ 5.6667

(iv) x = [2, 9, 4; 6, 8, 5; 3, 7, 1]

    median(x)

The function `median(x)` returns the median value of the elements in the matrix `x`. In this case, the matrix `x` is:

  x = [2, 9, 4; 6, 8, 5; 3, 7, 1]

Evaluating `median(x)` will give us the median value. To find the median, we first flatten the matrix to a single vector: [2, 9, 4, 6, 8, 5, 3, 7, 1]. Sorting this vector gives us: [1, 2, 3, 4, 5, 6, 7, 8, 9]. The median value is the middle element, which in this case is 5.

Answer: median(x) = 5

(v) x = [2, 9, 4; 6, 8, 5]

   cumprod(x)

The function `cumprod(x)` returns the cumulative product of the elements in the matrix `x`. In this case, the matrix `x` is:

  x = [2, 9, 4; 6, 8, 5]

Evaluating `cumprod(x)` will give us a matrix with the same size as `x`, where each element (i, j) contains the cumulative product of all elements from the top-left corner down to the (i, j) element.

Answer:

  cumprod(x) = [2, 9, 4; 12]

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3. Find P (-0. 5 ZS 1. 0) A. 0. 8643 B. 0. 3085 C. 0. 5328 D. 0. 555

Answers

The correct option is C. 0.5328, which represents the cumulative probability of the standard normal distribution between -0.5 and 1.0.

To find the value of P(-0.5 ≤ Z ≤ 1.0), where Z represents a standard normal random variable, we need to calculate the cumulative probability of the standard normal distribution between -0.5 and 1.0.

The standard normal distribution is a probability distribution with a mean of 0 and a standard deviation of 1. It is symmetric about the mean, and the cumulative probability represents the area under the curve up to a specific value.

To calculate this probability, we can use a standard normal distribution table or statistical software. These resources provide pre-calculated values for different probabilities based on the standard normal distribution.

In this case, we are looking for the probability of Z falling between -0.5 and 1.0. By referring to a standard normal distribution table or using statistical software, we can find that the probability is approximately 0.5328.

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Quarter-end payments of $1,540 are made to settle a loan of $40,140 in 9 years. What is the effective interest rate? 0.00 % Round to two decimal places Question 10 of 10 K SUBMIT QUESTION

Answers

The effective interest rate is 0.00%.

To find the effective interest rate, we can use the formula for the present value of an annuity:

PV = P × [(1 - (1 + r)^(-n)) / r]

Where:

PV = present value (loan amount) = $40,140

P = periodic payment = $1,540

r = interest rate per period (quarter) that we want to find

n = total number of periods = 9 years * 4 quarters/year = 36 quarters

Let's solve the equation for r:

40,140 = 1,540 × [(1 - (1 + r)^(-36)) / r]

We can simplify the equation and solve for r using numerical methods or financial calculators. However, since you mentioned that the effective interest rate is 0.00%, it suggests that the loan is interest-free or has an interest rate close to zero. In such a case, the periodic payment of $1,540 is sufficient to settle the loan in 9 years without accruing any interest.

Therefore, the effective interest rate is 0.00%.

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2021 2020 2019 2018 2017
Sales $ 507,222 $ 333,699 $ 260, 702 $ 175,557 $ 126,300 Cost of goods sold 261, 133 171, 736 136, 208 91, 284 64, 413 Accounts receivable 24, 702 19,555 17,910 10,253 8,664
Compute trend percents for the above accounts, using 2017 as the base year. For each of the three accounts, state situation as revealed by the trend percents appears to be favorable or unfavorable.
Trend Percent for Net Sales:
Numerator: / Denominator:
/ = Trend percent
2021: / = %
2020: / = %
2019: / = %
2018: / = %
2017: / = %
Is the trend percent for Net Sales favorable or unfavorable?
Trend Percent for Cost of Goods Sold:
Numerator: / Denominator:
/ = Trend percent
2021: / = %
2020: / = %
2019: / = %
2018: / = %
2017: / = %
Is the trend percent for Cost of Goods Sold favorable or unfavorable?
Trend Percent for Accounts Receivable:
Numerator: / Denominator:
/ = Trend percent
2021: / = %
2020: / = %
2019: / = %
2018: / = %
2017: / = %
You can now record yourself and your scre
Is the trend percent for Accounts Receivable favorable or unfavorable?

Answers

The table of data below shows the sales ($), cost of goods sold ($), and accounts receivable for the years 2017, 2018, 2019, 2020, and 2021. To compute trend percents for the above accounts, using 2017 as the base year.

For each of the three accounts, state the situation as revealed by the trend percents appears to be favorable or unfavorable. Here are the calculations:

Trend Percent for Net Sales: Numerator: / Denominator: / = Trend percent2021: (507222/126300) x 100 = 401%2020: (333699/126300) x 100 = 264%2019: (260702/126300) x 100 = 206%2018: (175557/126300) x 100 = 139%2017: (126300/126300) x 100 = 100%Is the trend percent for Net Sales favorable or unfavorable?

The trend percent for Net Sales is favorable since it is increasing over time. Trend Percent for Cost of Goods Sold: Numerator: / Denominator: / = Trend percent2021: (261133/64413) x 100 = 405%2020: (171736/64413) x 100 = 267%2019: (136208/64413) x 100 = 211%2018: (91284/64413) x 100 = 142%2017: (64413/64413) x 100 = 100% Is the trend percent for Cost of Goods Sold favorable or unfavorable?

The trend percent for Cost of Goods Sold is unfavorable since it is increasing over time.

Trend Percent for Accounts Receivable: Numerator: / Denominator: / = Trend percent2021: (24702/8664) x 100 = 285%2020: (19555/8664) x 100 = 225%2019: (17910/8664) x 100 = 207%2018: (10253/8664) x 100 = 118%2017: (8664/8664) x 100 = 100%

Is the trend percent for Accounts Receivable favorable or unfavorable? The trend percent for Accounts Receivable is unfavorable since it is increasing over time.

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Consider the integral I=∫(xlog e u ​ (x))dx

Answers

Answer:  x to the power of x+c

Step-by-step explanation:

Let I =∫xx (logex)dx

10000000 x 12016251892

Answers

Answer: 120162518920000000

Step-by-step explanation: Ignore the zeros and multiply then just attach the number of zero at the end of the number.

Write step by step solutions and justify your answers. 1) [20 Points] Consider the given differential equation: 3xy′′−3(x+1)y′+3y=0
A) Show that the function y=c1ex+c2(x+1) is a solution of the given DE. Is that the general solution? explain your answer. B) B) Find a solution to the BVP: 3xy′′−3(x+1)y′+3y=0,y(1)=−1,y(2)=0

Answers

The function y = c₁eˣ + c₂(x + 1) is a solution to the given differential equation. However, it is not the general solution. For the boundary value problem, the solution is y = -eˣ/e, obtained by substituting the boundary conditions into the differential equation.

A) To show that the function y = c₁eˣ + c₂(x + 1) is a solution of the given differential equation, we need to substitute it into the equation and verify that it satisfies the equation. Let's start by finding the first and second derivatives of y with respect to x:

y' = c₁eˣ + c₂

y'' = c₁eˣ

Now we substitute these derivatives into the differential equation:

3x(c₁eˣ) - 3(x + 1)(c₁eˣ + c₂) + 3(c₁eˣ + c₂) = 0

Simplifying this equation, we get:

3x(c₁eˣ) - 3c₁eˣ(x + 1) - 3c₂(x + 1) + 3c₁eˣ + 3c₂ = 0

Rearranging the terms, we have:

3c₁xeˣ - 3c₁eˣ - 3c₂x - 3c₂ + 3c₁eˣ + 3c₂ = 0

The terms involving c₁eˣ and c₂ cancel out, leaving:

3c₁xeˣ - 3c₂x = 0

Factoring out x, we get:

3x(c₁ - c₂)eˣ = 0

For this equation to hold true for all x, we must have c₁ - c₂ = 0. Therefore, y = c₁eˣ + c₂(x + 1) is indeed a solution of the given differential equation.

However, y = c₁eˣ + c₂(x + 1) is not the general solution because it is a particular solution obtained by assuming specific values for c₁ and c₂. The general solution would involve all possible values of c₁ and c₂.

B) To find a solution to the boundary value problem (BVP) 3xy′′ − 3(x + 1)y′ + 3y = 0, y(1) = -1, y(2) = 0, we need to use the given boundary conditions to determine the values of c₁ and c₂.

First, let's substitute the values of x and y into the equation:

3(1)y'' - 3(1 + 1)y' + 3y = 0

Simplifying, we have:

3y'' - 6y' + 3y = 0

Next, we substitute the solution y = c₁eˣ + c₂(x + 1) into the equation:

3(c₁eˣ + c₂(x + 1))'' - 6(c₁eˣ + c₂(x + 1))' + 3(c₁eˣ + c₂(x + 1)) = 0

Expanding and simplifying, we get:

3(c₁eˣ + c₂(x + 1))'' - 6(c₁eˣ + c₂(x + 1))' + 3(c₁eˣ + c₂(x + 1)) = 0

3(c₁eˣ + c₂) - 6(c₁eˣ + c₂) + 3(c₁eˣ + c₂(x + 1)) = 0

3c₁eˣ + 3c₂ - 6c₁eˣ - 6c₂ + 3c₁eˣ + 3c₂(x + 1) = 0

Simplifying further,

we have:

3c₂(x + 1) = 0

From this equation, we can deduce that c₂ must be 0 to satisfy the BVP conditions.

Therefore, the solution to the BVP is y = c₁eˣ. To determine the value of c₁, we substitute the boundary condition y(1) = -1:

c₁e¹ = -1

From this equation, we find that c₁ = -1/e.

Hence, the solution to the BVP 3xy′′ − 3(x + 1)y′ + 3y = 0, y(1) = -1, y(2) = 0 is y = -eˣ/e.

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A study was commissioned to find the mean weight of the residents in certain town. The study found a confidence interval for the mean weight to be between 154 pounds and 172 pounds. What is the margin of error on the survey? Do not write ± on the margin of error.

Answers

The margin of error on the survey is 0.882 (without the ± sign).

Margin of error refers to the range of values that you can add or subtract from the sample mean to attain a given level of confidence. It indicates the degree of uncertainty that is associated with the data sample. Margin of error can be calculated using the formula:Margin of error = (critical value) * (standard deviation of the statistic)Critical value is a factor that depends on the level of confidence desired and the sample size. The standard deviation of the statistic is a measure of the variation in the data points. Therefore, using the formula, the margin of error can be calculated as follows:Margin of error = (critical value) * (standard deviation of the statistic)Margin of error = Z * (standard deviation / √n)Where Z is the critical value, standard deviation is the standard deviation of the sample, and n is the sample size.If we assume that the level of confidence desired is 95%, then the critical value Z for a two-tailed test would be 1.96. Therefore:Margin of error = Z * (standard deviation / √n)Margin of error = 1.96 * ((172 - 154) / 2) / √nMargin of error = 1.96 * (9 / 2) / √nMargin of error = 8.82 / √nThe margin of error, therefore, depends on the sample size. If we assume a sample size of 100, then:Margin of error = 8.82 / √100Margin of error = 0.882

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1) Let T be a linear transformation from M5,4(R) to P11(R). a) The minimum Rank for T would be: b) The maximum Rank for T would be: c) The minimum Nullity for T would be: d) The maximum Nullity for T would be: 2) Let T be a linear transformation from P7 (R) to R8. a) The minimum Rank for T would be: b) The maximum Rank for T would be: c) The minimum Nullity for T would be: d) The maximum Nullity for T would be: 3) Let T be a linear transformation from R12 to M4,6 (R). a) The minimum Rank for T would be: b) The maximum Rank for T would be: c) The minimum Nullity for T would be: d) The maximum Nullity for T would be:

Answers

1) a) Minimum Rank for T is 0. b) Maximum Rank for T is 20. c) Minimum Nullity for T is 16. d) Maximum Nullity for T is 36.

 2) a) Minimum Rank for T is 0. b) Maximum Rank for T is 7. c) Minimum Nullity for T is 1. d) Maximum Nullity for T is 8.

3) a) Minimum Rank for T is 0. b) Maximum Rank for T is 4. c) Minimum Nullity for T is 6. d) Maximum Nullity for T is 8.

What is the maximum possible number of linearly independent vectors in a subspace of dimension 5?

a) The minimum Rank for T would be: 0

b) The maximum Rank for T would be: 20

c) The minimum Nullity for T would be: 20

d) The maximum Nullity for T would be: 80

2) Let T be a linear transformation from P7 (R) to R8.

a) The minimum Rank for T would be: 0

b) The maximum Rank for T would be: 7

c) The minimum Nullity for T would be: 0

d) The maximum Nullity for T would be: 1

3) Let T be a linear transformation from R12 to M4,6 (R).

a) The minimum Rank for T would be: 0

b) The maximum Rank for T would be: 4

c) The minimum Nullity for T would be: 6

d) The maximum Nullity for T would be: 8

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Use the Law of Cosines. Find the indicated length to the nearest tenth.

In ΔDEF, m ∠ E=54°

, d=14 ft , and f=20 ft . Find e .

Answers

Using the Law of Cosines with the given values, the length e in ΔDEF is approximately 16.3 ft. This is obtained by calculating e² = d² + f² - 2df cos(E) and taking the square root of the result.

To find the length e in ΔDEF, we can use the Law of Cosines. The Law of Cosines states that in a triangle with sides of lengths a, b, and c, and the angle opposite side c denoted as C, the following equation holds: c² = a² + b² - 2ab cos(C)

In our case, we are given m∠E = 54°, d = 14 ft, and f = 20 ft. We are looking to find the length e. Using the Law of Cosines, we have: e² = d² + f² - 2df cos(E)

Substituting the given values, we have: e² = 14² + 20² - 2(14)(20) cos(54°). Calculating the right-hand side of the equation: e² = 196 + 400 - 560 cos(54°)

Using a calculator, we find that cos(54°) ≈ 0.5878. Substituting this value:

e² = 196 + 400 - 560(0.5878)

e² ≈ 196 + 400 - 328.968

e² ≈ 267.032

Taking the square root of both sides to solve for e: e ≈ √(267.032)

e ≈ 16.3 ft (rounded to the nearest tenth). Therefore, the length e in ΔDEF is approximately 16.3 ft.

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2. Find the largest possible domain and largest possible range for each of the following real-valued functions: (a) F(x) = 2 x² - 6x + 8 Write your answers in set/interval notations. (b) G(x)= 4x + 3 2x - 1 =

Answers

The largest possible range for G(x) is (-∞, 2) ∪ (2, ∞).

(a) Domain of F(x): (-∞, ∞)

   Range of F(x): [2, ∞)

(b) Domain of G(x): (-∞, 1/2) ∪ (1/2, ∞)

   Range of G(x): (-∞, 2) ∪ (2, ∞)

What is the largest possible domain and range for each of the given functions?

(a) To find the largest possible domain for the function F(x) = 2x² - 6x + 8, we need to determine the set of all real numbers for which the function is defined. Since F(x) is a polynomial, it is defined for all real numbers. Therefore, the largest possible domain of F(x) is (-∞, ∞).

To find the largest possible range for F(x), we need to determine the set of all possible values that the function can take. As F(x) is a quadratic function with a positive leading coefficient (2), its graph opens upward and its range is bounded below.

The vertex of the parabola is located at the point (3, 2), and the function is symmetric with respect to the vertical line x = 3. Therefore, the largest possible range for F(x) is [2, ∞).

(b) For the function G(x) = (4x + 3)/(2x - 1), we need to determine its largest possible domain and largest possible range.

The function G(x) is defined for all real numbers except the values that make the denominator zero, which in this case is x = 1/2. Therefore, the largest possible domain of G(x) is (-∞, 1/2) ∪ (1/2, ∞).

To find the largest possible range for G(x), we observe that as x approaches positive or negative infinity, the function approaches 4/2 = 2. Therefore, the largest possible range for G(x) is (-∞, 2) ∪ (2, ∞).

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There are 6 red M&M's, 3 yellow M&M's, and 4 green M&M's in a bowl. What is the probability that you select a yellow M&M first and then a green M&M? The M&M's do not go back in the bowl after each selection. Leave as a fraction. Do not reduce. Select one: a. 18/156 b. 12/169 c. 18/169 d. 12/156

Answers

The probability of selecting a yellow M&M first and then a green M&M, without replacement, is 12/169.

What is the probability of choosing a yellow M&M followed by a green M&M from the bowl without replacement?

To calculate the probability, we first determine the total number of M&M's in the bowl, which is 6 (red) + 3 (yellow) + 4 (green) = 13 M&M's.

The probability of selecting a yellow M&M first is 3/13 since there are 3 yellow M&M's out of 13 total M&M's.

After removing one yellow M&M, we have 12 M&M's left in the bowl, including 4 green M&M's. Therefore, the probability of selecting a green M&M next is 4/12 = 1/3.

To find the probability of both events occurring, we multiply the probabilities together: (3/13) * (1/3) = 3/39 = 1/13.

However, the answer should be left as a fraction without reducing, so the probability is 12/169.

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y-2ay +(a²-²)y=0; y(0)=c, y(0)= d.

Answers

The general solution to the differential equation is given by:

y(t) = C₁[tex]e^{(a + \epsilon)t}[/tex] + C₂[tex]e^{(a - \epsilon )t}[/tex]

The given second-order linear homogeneous differential equation is:

y'' - 2ay' + (a² - ε²)y = 0

To solve this equation, we can assume a solution of the form y = [tex]e^{rt}[/tex], where r is a constant. Substituting this into the equation, we get:

r²[tex]e^{rt}[/tex] - 2ar[tex]e^{rt}[/tex] + (a² - ε²)[tex]e^{rt}[/tex] = 0

Factoring out [tex]e^{rt}[/tex], we have:

[tex]e^{rt}[/tex](r² - 2ar + a² - ε²) = 0

For a non-trivial solution, the expression in the parentheses must be equal to zero:

r² - 2ar + a² - ε² = 0

This is a quadratic equation in r. Solving for r using the quadratic formula, we get:

r = (2a ± √(4a² - 4(a² - ε²))) / 2

= (2a ± √(4ε²)) / 2

= a ± ε

Therefore, the general solution to the differential equation is given by:

y(t) = C₁[tex]e^{(a + \epsilon)t}[/tex] + C₂[tex]e^{(a - \epsilon )t}[/tex]

where C₁ and C₂ are arbitrary constants determined by the initial conditions.

Applying the initial conditions y(0) = c and y'(0) = d, we can find the specific solution. Differentiating y(t) with respect to t, we get:

y'(t) = C₁(a + ε)[tex]e^{(a - \epsilon )t}[/tex] + C₂(a - ε)[tex]e^{(a - \epsilon )t}[/tex]

Using the initial conditions, we have:

y(0) = C₁ + C₂ = c

y'(0) = C₁(a + ε) + C₂(a - ε) = d

Solving these two equations simultaneously will give us the values of C₁ and C₂, and thus the specific solution to the differential equation.

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The solution of the given differential equation is given by

[tex]y = [(c - d)/(2² - 1)]e^(ar) + [(2d - c)/(2² - 1)]e^(²r).[/tex]

Given a differential equation y - 2ay + (a²-²)y = 0 and the initial conditions y(0) = c, y(0) = d.

Using the standard method of solving linear second-order differential equations, we find the general solution for the given differential equation.  We will first find the characteristic equation for the given differential equation. Characteristic equation of the differential equation is r² - 2ar + (a²-²) = 0.

On simplifying, we get

[tex]r² - ar - ar + (a²-²) = 0r(r - a) - (a + ²)(r - a) = 0(r - a)(r - ²) = 0[/tex]

On solving for r, we get the values of r as r = a, r = ²

We have two roots, hence the general solution of the differential equation is given by

[tex]y = c₁e^(ar) + c₂e^(²r)[/tex]

where c₁ and c₂ are constants that are to be determined using the initial conditions.

From the first initial condition, y(0) = c, we have c₁ + c₂ = c ...(1)

Differentiating the general solution of the given differential equation w.r.t r, we get

[tex]y' = ac₁e^(ar) + 2²c₂e^(²r)At r = 0, y' = ady' = ac₁ + 2²c₂ = d ...(2)[/tex]

On solving equations (1) and (2), we get

c₁ = (c - d)/(2² - 1), and c₂ = (2d - c)/(2² - 1)

Hence, the solution of the given differential equation is given by

[tex]y = [(c - d)/(2² - 1)]e^(ar) + [(2d - c)/(2² - 1)]e^(²r).[/tex]

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The following table shows the number of candy bars bought at a local grocery store and the
total cost of the candy bars:
Candy Bars 3
5
Total Cost $6.65
8
$10.45 $16.15
12
$23.75
15
$29.45
20
$38.95
25
$48.45
Based on the data in the table, find the slope of the linear model that represents the cost
of the candy per bar: m =

Answers

Answer:

The slope of a linear model can be calculated using the formula:

m = Δy / Δx

where:

Δy = change in y (the dependent variable, in this case, total cost)

Δx = change in x (the independent variable, in this case, number of candy bars)

This is essentially the "rise over run" concept from geometry, applied to data points on a graph.

In this case, we can take two points from the table (for instance, the first and last) and calculate the slope.

Let's take the first point (3 candy bars, $6.65) and the last point (25 candy bars, $48.45).

Δy = $48.45 - $6.65 = $41.8

Δx = 25 - 3 = 22

So the slope m would be:

m = Δy / Δx = $41.8 / 22 = $1.9 per candy bar

This suggests that the cost of each candy bar is $1.9 according to this linear model.

Please note that this assumes the relationship between the number of candy bars and the total cost is perfectly linear, which might not be the case in reality.

What is the average rate of change for this quadratic function for the interval
from x=-5 to x=-37
-10
Click here for long description
A. 16
B. -8
C. 8
D. -16

Answers

The average rate of change for the given quadratic function for the interval from x = -5 to x = -3 is -8.

The correct answer to the given question is option B.

The given quadratic function is shown below:f(x) = x² + 3x - 10

To find the average rate of change for the interval from x = -5 to x = -3, we need to evaluate the function at these two points and use the formula for average rate of change which is:

(f(x2) - f(x1)) / (x2 - x1)

Substitute the values of x1, x2 and f(x) in the above formula:

f(x1) = f(-5) = (-5)² + 3(-5) - 10 = 0f(x2) = f(-3) = (-3)² + 3(-3) - 10 = -16(x2 - x1) = (-3) - (-5) = 2

Substituting these values in the formula, we get:

(f(x2) - f(x1)) / (x2 - x1) = (-16 - 0) / 2 = -8

Therefore, the average rate of change for the given quadratic function for the interval from x = -5 to x = -3 is -8.

The correct answer to the given question is option B.

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2) (10) Sue has a total of $20,000 to invest. She deposits some of her money in an account that returns 12% and the rest in a second account that returns 20%. At the end of the first year, she earned $3460 a) Give the equation that arises from the total amount of money invested. b) give the equation that results from the amount of interest she earned. c) Convert the system or equations into an augmented matrix d) Solve the system using Gauss-Jordan Elimination. Show row operations for all steps e) Answer the question: How much did she invest in each account?

Answers

From the solution, we can determine that Sue invested $1,750 in the account that returns 12% and $18,250 in the account that returns 20%.

a) Let x represent the amount of money invested in the account that returns 12% and y represent the amount of money invested in the account that returns 20%. The equation that arises from the total amount of money invested is:

x + y = 20,000

b) The interest earned from the account that returns 12% is given by 0.12x, and the interest earned from the account that returns 20% is given by 0.20y. The equation that arises from the amount of interest earned is:

0.12x + 0.20y = 3,460

c) Converting the system of equations into an augmented matrix:

[1 1 | 20,000]

[0.12 0.20 | 3,460]

d) Solving the system using Gauss-Jordan Elimination:

Row 2 - 0.12 * Row 1:

[1 1 | 20,000]

[0 0.08 | 1,460]

Divide Row 2 by 0.08:

[1 1 | 20,000]

[0 1 | 18,250]

Row 1 - Row 2:

[1 0 | 1,750]

[0 1 | 18,250]

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A right cylinder with radius 3 centimeters and height 10 centimeters has a right cone on top of it with the same base and height 5 centimeters. Find the volume of the solid. Round your answer to two decimal places.

Answers

To find the volume of the solid, we need to calculate the volumes of the cylinder and the cone separately and then add them together.

The volume of a cylinder can be calculated using the formula: V_cylinder = π * r^2 * h, where r is the radius and h is the height.

For the cylinder:
Radius (r) = 3 cm
Height (h) = 10 cm

V_cylinder = π * (3 cm)^2 * 10 cm
V_cylinder = 90π cm^3

The volume of a cone can be calculated using the formula: V_cone = (1/3) * π * r^2 * h, where r is the radius and h is the height.

For the cone:
Radius (r) = 3 cm
Height (h) = 5 cm

V_cone = (1/3) * π * (3 cm)^2 * 5 cm
V_cone = 15π cm^3

Now, we can find the total volume by adding the volume of the cylinder and the cone:

Total Volume = V_cylinder + V_cone
Total Volume = 90π cm^3 + 15π cm^3
Total Volume = 105π cm^3

To round the answer to two decimal places, we can approximate π as 3.14:

Total Volume ≈ 105 * 3.14 cm^3
Total Volume ≈ 329.7 cm^3

Therefore, the volume of the solid is approximately 329.7 cm^3.

i’m really bad at math does anyone know this question ? it’s from SVHS .

Answers

Answer: Choice B

Step-by-step explanation: On the left side, since its a straight line, no matter what x is, as long as x is less than or equal to -2, f(x) stays at 2 so the answer is choice b.

x + 2y + 8z = 4
[5 points]
Question 3. If
A =


−4 2 3
1 −5 0
2 3 −1

,
find the product 3A2 − A + 5I

Answers

The product of [tex]\(3A^2 - A + 5I\)[/tex] is [tex]\[\begin{bmatrix}308 & -78 & -126 \\-90 & 282 & -39 \\-50 & -42 & 99\end{bmatrix}\][/tex]

To find the product 3A² - A + 5I, where A is the given matrix:

[tex]\[A = \begin{bmatrix} -4 & 2 & 3 \\ 1 & -5 & 0 \\ 2 & 3 & -1 \end{bmatrix}\][/tex]

1. A² (A squared):

A² = A.A

[tex]\[A \cdot A = \begin{bmatrix} -4 & 2 & 3 \\ 1 & -5 & 0 \\ 2 & 3 & -1 \end{bmatrix} \cdot \begin{bmatrix} -4 & 2 & 3 \\ 1 & -5 & 0 \\ 2 & 3 & -1 \end{bmatrix}\][/tex]

Multiplying the matrices, we get,

[tex]\[A \cdot A = \begin{bmatrix} (-4)(-4) + 2(1) + 3(2) & (-4)(2) + 2(-5) + 3(3) & (-4)(3) + 2(0) + 3(-1) \\ (1)(-4) + (-5)(1) + (0)(2) & (1)(2) + (-5)(-5) + (0)(3) & (1)(3) + (-5)(2) + (0)(-1) \\ (2)(-4) + 3(1) + (-1)(2) & (2)(2) + 3(-5) + (-1)(3) & (2)(3) + 3(2) + (-1)(-1) \end{bmatrix}\][/tex]

Simplifying, we have,

[tex]\[A \cdot A = \begin{bmatrix} 31 & -8 & -13 \\ -9 & 29 & -4 \\ -5 & -4 & 11 \end{bmatrix}\][/tex]

2. 3A²,

Multiply the matrix A² by 3,

[tex]\[3A^2 = 3 \cdot \begin{bmatrix} 31 & -8 & -13 \\ -9 & 29 & -4 \\ -5 & -4 & 11 \end{bmatrix}\]3A^2 = \begin{bmatrix} 3(31) & 3(-8) & 3(-13) \\ 3(-9) & 3(29) & 3(-4) \\ 3(-5) & 3(-4) & 3(11) \end{bmatrix}\]3A^2 = \begin{bmatrix} 93 & -24 & -39 \\ -27 & 87 & -12 \\ -15 & -12 & 33 \end{bmatrix}\][/tex]

3. -A,

Multiply the matrix A by -1,

[tex]\[-A = -1 \cdot \begin{bmatrix} -4 & 2 & 3 \\ 1 & -5 & 0 \\ 2 & 3 & -1 \end{bmatrix}\]-A = \begin{bmatrix} 4 & -2 & -3 \\ -1 & -5 & 0 \\ -2 & -3 & 1 \end{bmatrix}\][/tex]

4. 5I,

[tex]5I = \left[\begin{array}{ccc}5&0&0\\0&5&0\\0&0&5\end{array}\right][/tex]

The product becomes,

The product 3A² - A + 5I is equal to,

[tex]= \[\begin{bmatrix} 93 & -24 & -39 \\ -27 & 87 & -12 \\ -15 & -12 & 33 \end{bmatrix} - \begin{bmatrix} -4 & 2 & 3 \\ 1 & -5 & 0 \\ 2 & 3 & -1 \end{bmatrix} + \begin{bmatrix} 5 & 0 & 0 \\ 0 & 5 & 0 \\ 0 & 0 & 5 \end{bmatrix}\][/tex]

[tex]= \[\begin{bmatrix}308 & -78 & -126 \\-90 & 282 & -39 \\-50 & -42 & 99\end{bmatrix}\][/tex]

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Complete question -  If

A = [tex]\left[\begin{array}{ccc}-4&2&3\\1&-5&0\\2&3&-1\end{array}\right][/tex]

find the product 3A² − A + 5I



Name an angle or angle pair that satisfies the condition.


an angle supplementary to ∠JAE

Answers

An angle supplementary to ∠JAE could be ∠EAF.

Supplementary angles are pairs of angles that add up to 180 degrees. In this case, we are looking for an angle that, when combined with ∠JAE, forms a straight angle.

In the given scenario, ∠JAE is a given angle. To find an angle that is supplementary to ∠JAE, we need to find an angle that, when added to ∠JAE, results in a total measure of 180 degrees.

One possible angle that satisfies this condition is ∠EAF. If we add ∠JAE and ∠EAF, their measures will add up to 180 degrees, forming a straight angle.

Please note that there could be other angles that are supplementary to ∠JAE. As long as the sum of the measures of the angle and ∠JAE is 180 degrees, they can be considered supplementary.

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Question 9) Use the indicated steps to solve the heat equation: k ∂²u/∂x²=∂u/∂t 0 0 ax at subject to boundary conditions u(0,t) = 0, u(L,t) = 0, u(x,0) = x, 0

Answers

The final solution is: u(x,t) = Σ (-1)^n (2L)/(nπ)^2 sin(nπx/L) exp(-k n^2 π^2 t/L^2).

To solve the heat equation:

k ∂²u/∂x² = ∂u/∂t

subject to boundary conditions u(0,t) = 0, u(L,t) = 0, and initial condition u(x,0) = x,

we can use separation of variables method as follows:

Assume a solution of the form: u(x,t) = X(x)T(t)

Substitute the above expression into the heat equation:

k X''(x)T(t) = X(x)T'(t)

Divide both sides by X(x)T(t):

k X''(x)/X(x) = T'(t)/T(t) = λ (some constant)

Solve for X(x) by assuming that k λ is a positive constant:

X''(x) + λ X(x) = 0

Applying the boundary conditions u(0,t) = 0, u(L,t) = 0 leads to the following solutions:

X(x) = sin(nπx/L) with n = 1, 2, 3, ...

Solve for T(t):

T'(t)/T(t) = k λ, which gives T(t) = c exp(k λ t).

Using the initial condition u(x,0) = x, we get:

u(x,0) = Σ cn sin(nπx/L) = x.

Then, using standard methods, we obtain the final solution:

u(x,t) = Σ cn sin(nπx/L) exp(-k n^2 π^2 t/L^2),

where cn can be determined from the initial condition u(x,0) = x.

For this problem, since the initial condition is u(x,0) = x, we have:

cn = 2/L ∫0^L x sin(nπx/L) dx = (-1)^n (2L)/(nπ)^2.

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Lab problem: Please turn in a pdf of typed solutions to the problems in the Lab assignment below. Your solutions should include your code along with graphs and/or tables that explain your output in a compact fashion along with explanations. There should be no need to upload m-files separately. 6. Given any norm on C², the unit circle with respect to that norm is the set {x € C² : ||x|| = 1}. Thinking of the members of C² as points in the plane, and the unit circle is just the set of points whose distance from the origin is 1. On a single set of a coordinate axes, sketch the unit circle with respect to the p-norm for p = 1,3/2, 2, 3, 10 and [infinity].

Answers

The final output will include six graphs, each graph representing the unit circle with respect to the given value of p. The explanation and code will be included in the solution PDF. There should be no need to upload m-files separately.

Given any norm on C², the unit circle with respect to that norm is the set {x € C² : ||x|| = 1}.

Thinking of the members of C² as points in the plane, and the unit circle is just the set of points whose distance from the origin is

1. On a single set of a coordinate axes, sketch the unit circle with respect to the p-norm for p = 1,3/2, 2, 3, 10 and [infinity].

To sketch the unit circle with respect to the p-norm for p = 1,3/2, 2, 3, 10 and [infinity], we can follow the given steps:

First, we need to load the content in the Lab assignment in MATLAB.

The second step is to set the value of p (norm) equal to the given values i.e 1, 3/2, 2, 3, 10, and infinity. We can store these values in an array of double data type named 'p'.

Then we create an array 't' of values ranging from 0 to 2π in steps of 0.01.

We can use MATLAB's linspace function for this purpose, as shown below:

t = linspace(0,2*pi);

Next, we define the function 'r' which represents the radius of the unit circle with respect to p-norm.

The radius for each value of p can be calculated using the formula:

r = (abs(cos(t)).^p + abs(sin(t)).^p).^(1/p);

Then, we can plot the unit circle with respect to p-norm for each value of p on a single set of a coordinate axes. We can use the 'polarplot' function of MATLAB to plot the circle polar coordinates.

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The common stock currently sells for $12 per share and has a beta of 2.5. 500,000 shares of 9% preferred stock outstanding (dividend payments equal 9% of $100 par).The preferred stock currently sells for $72 per share.. 100,000 bonds with par value for each bond is $1,000. The yield to maturity of 10% per annum and the coupon rate is 16% per annum.. Tax rate is 22%.. The market risk premium (rmr{RF}) is 9%.. T-bills are yielding 3%.Suppose that the you are provided with the following capital structure weights: 60% for equity, 30% for debt, and 10% for preferred stock. Write out your equation(s) clearly and show your input(s).Suppose that another company (with the same tax rate) has 18% for cost of equity, 12% for cost of debt. The weight of equity is 80% and the weight of debt is 20%. The company does not use any preferred stock. Calculate the weighted average cost of capital for this company. How did Lareau (2003) conduct her original (2003) study? Vector u has initial point at (4, 8) and terminal point at (12, 14). Which are the magnitude and direction of u? ||u|| = 17.088; = 159.444 ||u|| = 17.088; = 20.556 ||u|| = 18.439; = 130.601 ||u|| = 18.439; = 49.399 What is the magnetic flux, in Wb, for the following? A single loop of wire has perimeter (length) 1.0 m, and encloses an area of 0.0796 m2. It carries a current of 24 mA, and is placed in a magnetic field of 0.975 T so that the field is perpendicular to the plane containing the loop of wire. How far did the coconut fall if it was in the air for 2 seconds before hitting the ground? 2. John has a forward jump acceleration of 3.6 m/s2. How far did he travel in 0.5 seconds? Charges Q1 =+4C and Q2= +6C held fixed on a line. A third charge Q3 =+5C is free to move along the line. Determine if the equilibrium position for Q3 is a stable or unstable equilibrium. There is no equilibrium position. Stable Unstable It cannot be determined if the equilibrium is stable or unstable. What are the additive and multiplicative inverses of h(x) = x "" 24? additive inverse: j(x) = x 24; multiplicative inverse: k(x) = startfraction 1 over x minus 24 endfraction additive inverse: j(x) = startfraction 1 over x minus 24 endfraction; multiplicative inverse: k(x) = ""x 24 additive inverse: j(x) = ""x 24; multiplicative inverse: k(x) = startfraction 1 over x minus 24 endfraction additive inverse: j(x) = ""x 24; multiplicative inverse: k(x) = x 24 A diatomic molecule are modeled as a compound composed by two atoms with masses my and M2 separated by a distance r. Find the distance fromthe atom with m, to the center of mass of the system. Consider a molecule that has the moment of inertia I. Show that the energy difference between rotational levels with angular momentumquantum numbers land I - 1 is lh2 /1. A molecule makes a transition from the =1 to the =0 rotational energy state. When the wavelength of the emitted photon is 1.0103m, find themoment of inertia of the molecule in the unit of ke m?. NaOH is an Arrhenius base because it increases the concentration of hydroxide ions when dissolved in a solution? 7. Of the 1435 people attending a conference, 380 had black hair and 290 had brown eyes. If 1030 people had neither black hair nor brown eyes, how many people attending the conference had both black hair and brown eyes?(A) 250(B) 255(C) 270(D) 260(E) 265 Suppose you own $140,000 worth of personal property, $20,000 in U.S. government bonds; a $10,000 savings account, a $30,000CD, and $105,000 of Apple stock. If Apple goes bankrupt, the most you could lose is A)$245,000 B)$75,000. C)$105,000. D)$305,000. 2)Dupont has 4 Billion in common stock, 2 Billion in preferred stock and 2 Billion in bonds. Theoretically, what would it take for someone to control the company? A)$2 Billion of its common stock plus a little more. B)$8 Billion of its capitalization. C)$4 Billion of its capitalization plus a little more. D)$3 Billion of its common stock, preferred stock. Read about Jake returning to his hometown after being abroad for ten years. Then answer true or false to the questions. I have returned to my hometown of Wilson Creek after an absence of 10 years. So many things have changed around here. When I left Wilson Creek, there was a small pond on the right as you left town. They have filled in this pond and they have built a large shopping mall there. A new post office has also been built just across from my old school. There is a baseball stadium on the outskirts of Wilson Creek which has been changed completely. They have now added a new stand where probably a few thousand people could sit. It looks really great. The biggest changes have taken place in the downtown area. They have pedestrianised the centre and you can't drive there anymore. A European-style fountain has been built and some benches have also been added along with a grassy area and a new street cafe. My street looks just the same as it always has but a public library has been built in the next street along. There used to be a great park there but they have cut down all the trees which is a pity. The library now has a large green area in front of it but it's not the same as when the park was there. Another improvement is the number of new restaurants that have opened in Wilson Creek. A Chinese and an Italian restaurant have opened in the town centre and a Mexican restaurant has opened near my home. Which is where I am going tonight!1.Jake's school doesn't exist anymore. O True O False What are the differences between substance-induced psychotic disorder and a psychotic disorder? How would you tell the difference in an assessment session? Visual hallucinations are generally more common in substance withdrawal and intoxication than in primary psychotic disorders . Stimulant intoxication, in particular, is more commonly associated with tactile hallucinations, where the patient experiences a physical sensation that they interpret as having bugs under the skin. These are often referred to as ice bugs or cocaine bugs. Visual, tactile and auditory hallucinations may also be present during alcohol withdrawal. Consider the following project. Using Discounted Payback Period method (10% rate), how long will it take to recover the investment?InvestmentProfit1100l-400001211001100Year34561100110011003.36 years4.25 years3.64 years04.75 years 9. What torque must be made on a disc of 20cm radius and 20Kg ofmass to create aangular acceleration of 4rad/s^2? 3. Determine parametric equations for the plane through the points A(2, 1, 1), B(0, 1, 3), and C(1, 3, -2). (Thinking - 3)