Based on the information, the ordinate to the origin is -3.
What is an ordinate?In mathematics, an "ordinate" refers to the vertical coordinate of a point on a graph, while the "origin" typically refers to the point (0, 0) where the x- and y-axes intersect. Therefore, the phrase "ordinate to the origin" means the vertical distance of a point from the origin, which is simply the value of its y-coordinate.
For example, if you have a point with coordinates (3, 5), the ordinate to the origin would be 5, because that is the distance from the point to the x-axis (which passes through the origin).
The first question is incomplete. Regarding the second question, the equation y = -6x - 3 is in slope-intercept form, y = mx + b, where m is the slope and b is the y-intercept (or the ordinate to the origin). Therefore, the slope is -6 and the y-intercept is -3. So the ordinate to the origin is -3.
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Consider the equation and the following ordered pairs: (−4,y) and (x,2) . y=−3x−4 Step 1 of 2 : Compute the missing x and y values so that each ordered pair will satisfy the given equation.
To satisfy the equation y = -3x - 4, we need to substitute the given values of x and y in the equation and check if it holds true.
For the ordered pair (-4, y):
y = -3(-4) - 4
y = 12 - 4
y = 8
So, the ordered pair (-4, 8) satisfies the equation y = -3x - 4.
For the ordered pair (x, 2):
2 = -3x - 4
6 = -3x
x = -2
So, the ordered pair (-2, 2) satisfies the equation y = -3x - 4.
A rectangular paperboard measuring 20in long and 12in wide has a semicircle cut out of it, as shown below. What is the perimeter of the paperboard that remains after the semicircle is removed? (Use the value 3.14 for pi , and do not round your answer. Be sure to include the correct unit in your answer.)
Answer:
the perimeter of the paperboard that remains after the semicircle is removed is 82.84 inches.
Step-by-step explanation:
The perimeter of the paperboard that remains after the semicircle is removed is equal to the sum of the four sides of the rectangular portion of the paperboard plus half the circumference of the semicircle.
The rectangle has dimensions of length = 20 inches and width = 12 inches. Therefore, the sum of the four sides of the rectangular portion of the paperboard is:
2(20) + 2(12) = 64 inches
The semicircle has a diameter equal to the width of the rectangle, which is 12 inches. Therefore, the radius of the semicircle is half the diameter, or 6 inches. The circumference of a full circle with a radius of 6 inches is:
2 * 3.14 * 6 = 37.68 inches
Half of the circumference of the semicircle is:
(1/2) * 37.68 = 18.84 inches
Therefore, the perimeter of the paperboard that remains after the semicircle is removed is:
64 + 18.84 = 82.84 inches
Thus, the perimeter of the paperboard that remains after the semicircle is removed is 82.84 inches.
A blueprint used a scale of 1.5 cm = 2 m to
represent a grain silo. If the height of the silo in
the drawing was 33 cm, how tall is the actual grain
silo?
Answer: The Silo is 44 meters tall
Step-by-step explanation:
To find the height of the silo, first you have to divide the drawing height (33cm) by 1.5 to get the unit rate. Then multiply the 22 by 2 to get 44 meters (The height of the silo)
Complete the proof that the point (3, 7) does or does not lie on the circle with center (-1, 4) and containing the point (-1, 9).
The point (3, 7) lies on the circle with center (-1, 4) and containing the point (-1, 9).
Describe Distance Formula?The distance formula is a mathematical formula used to calculate the distance between two points in a two or three-dimensional space. It is derived from the Pythagorean theorem and is given by:
d = √((x2 - x1)² + (y2 - y1)²)
Where d represents the distance between the two points, (x1, y1) and (x2, y2) represent the coordinates of the two points in a two-dimensional space.
To determine if the point (3, 7) lies on the circle with center (-1, 4) and containing the point (-1, 9), we need to calculate the distance between the center of the circle and the point (3, 7), and compare it to the radius of the circle.
Let's first find the radius of the circle. Since the circle contains the point (-1, 9), the distance between the center of the circle and (-1, 9) is equal to the radius. Using the distance formula, we get:
radius = √[(9 - 4)² + (-1 - (-1))²] = √[25] = 5
Now let's find the distance between the center of the circle (-1, 4) and the point (3, 7):
distance = √[(7 - 4)² + (3 - (-1))²] = √[3² + 4²] = 5
We see that the distance between the center of the circle and the point (3, 7) is equal to the radius of the circle. Therefore, the point (3, 7) lies on the circle with center (-1, 4) and containing the point (-1, 9).
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|4x-4(x+1)|=4 Show solution on numberline
The equatiοn has nο sοlutiοn.
What is the equatiοn?An equatiοn is defined as a mathematical statement in algebra that prοves the equality οf twο mathematical expressiοns. Fοr example, the fοrmula 3x + 5 = 14 cοnsists οf the twο equatiοns 3x + 5 and 14, which are separated by the wοrd "equal."
Here the given equatiοn is ,
=> |4x-4(x+1)|=4
Nοw simplifying the equatiοn then,
=> 4x-4(x+1)=± 4
=> 4x-4x-4=±4
=>-4=±4
Hence the given equatiοn has nο sοlutiοn.
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In a random sample of 892 college students in the United States, 272 say they skip at least one class per week.
Find the point estimate for the proportion parameter for this population. Write your answer as a decimal rounded to three decimal places.
O 0.305
O 0.695
O 0.272
O 0.50
4
The point estimate for the proportion parameter for this population is A)0.305.
What is probability?
Probability is a way of calculating how likely something is to happen. It is difficult to provide a complete prediction for many events. Using it, we can only forecast the probability, or likelihood, of an event occurring. The probability might be between 0 and 1, where 0 denotes an impossibility and 1 denotes a certainty.
In a random sample of 892 college students in the United States, 272 say they skip at least one class per week.
From the given information then,
Sample size n = 892
No of favorable outcomes (i.e successes) x=272
We know ,
The point estimate for the population parameter [tex]\hat P[/tex]=x/n.
Where n=sample size , x=number of success.
Here x = 272 ,n=892 then
The point estimate for the proportion parameter for this population then,
=> [tex]\hat p[/tex] = 272/892 = 0.305.
Hence the point estimate for the proportion parameter for this population is A)0.305.
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Allan needs to repay a $3000 loan. His bank offers personal loans at 9.5% per year, compounded monthly. Allan can afford to make monthly payments of $100. How long will it take him to repay the loan?
It will take Allan approximately 38 months (rounded up) to repay the loan with monthly payments of $100 at an interest rate of 9.5% per year, compounded monthly.
What is interest rate?Interest rate refers to the percentage of the principal amount charged by a lender to a borrower for the use of money over a certain period of time.
According to question:To calculate the time it takes for Allan to repay the loan, we can use the formula for the present value of an annuity:
PV = PMT x (1 - [tex](1 + r)^-n[/tex]) / r
where:
PV = present value
PMT = monthly payment
r = monthly interest rate (9.5% per year / 12 months = 0.00791667)
n = number of months
Plugging in the given values, we get:
3000 = 100 x (1 - (1 + 0.00791667)[tex]^-n[/tex]) / 0.00791667
Simplifying and solving for n, we get:
n = -ln(1 - (3000 x 0.00791667 / 100)) / ln(1 + 0.00791667)
n = 37.4 months
Therefore, it will take Allan approximately 38 months (rounded up) to repay the loan with monthly payments of $100 at an interest rate of 9.5% per year, compounded monthly.
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A fair die is rolled 5 times. What is the probability of having no 1 and no 5 among the rolls? Round your answer to three decimal places.
The probability of having no 1 and no 5 among the rolls is approximately 0.131 or 13.1%.
What is the probability first law?According to the First Principle of Probability, the outcomes of one chance occurrence have no bearing on those of succeeding chances occurrences. Thus, the chance of getting heads the second or third time you flip it stays at 1 in 2. The chances of getting heads on the sixth flip, even if you got five consecutive heads, stay at 12.
The Bayes rules of probability are what?The Bayes Theorem asserts that the likelihood of a second tournament given the first occurrence multiplied by the odds of the first event equals the conditional event's likelihood depending on the presence of another event.
The probability of rolling a number other than 1 or 5 on a fair die is 4/6 or 2/3, since there are four favorable outcomes (2, 3, 4, 6) out of six possible outcomes.
To find the probability of rolling no 1 and no 5 in five rolls, we can use the multiplication rule of probability, which states that the probability of two independent events occurring together is the product of their individual probabilities.
So, for each roll, the probability of rolling a number other than 1 or 5 is 2/3. Therefore, the probability of rolling no 1 and no 5 in five rolls is:
(2/3) * (2/3) * (2/3) * (2/3) * (2/3) = (2/3)⁵ ≈ 0.131
Rounding to three decimal places, the probability is approximately 0.131.
Therefore, the probability of having no 1 and no 5 among the rolls is approximately 0.131 or 13.1%.
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What is the smallest possible average of 200 distinct positive and odd integers?
201.5 is the smallest average of 200 different positive and odd integers.
Let's first consider the set of the first 200 odd positive integers: {1, 3, 5, ..., 397, 399, 401}.
The average of this set is (1+3+5+...+397+399+401)/200 = 201.
Now, we want to find a set of 200 distinct positive and odd integers that has a smaller average than 201.
One way to do this is to remove the largest element from the first set (401) and replace it with the smallest odd positive integer that is greater than 401, which is 403.
The new set is {1, 3, 5, ..., 397, 399, 403}.
The average of this set is (1+3+5+...+397+399+403)/200 = 201.5.
Hence, 201.5 is the smallest average that can be calculated from 200 different positive and odd integers.
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On a 8 question multiple-choice test, where each question has 2 answers, what would be the probability of getting at least one question wrong?
On an 8-question multiple-choice test, where each question has 2 answers, the probability of getting at least one question wrong is [tex]\frac{1023}{1024}[/tex]
Probability is a way to gauge how likely something is to happen1. It is expressed as a number between 0 and 1, where 0 denotes an impossibility and 1 denotes a certainty for the event.
In an 8-item multiple-choice test with 2 possible answers for each, the likelihood of getting at least one question wrong can be computed as follows:
P(at least one mistake) = 1 - P (none wrong)
P(at least one wrong) [tex]=1-(\frac{1}{2})^{10[/tex]
P(at least one wrong) [tex]=1-\frac{1}{1024}\\\\=\frac{1023}{1024}[/tex]
On an 8-question multiple-choice test, where each question has 2 answers, the probability of getting at least one question wrong is [tex]\frac{1023}{1024}[/tex]
The complete question is-
On an 8-question multiple-choice test, where each question has 2 answers, what would be the probability of getting at least one question wrong?
Give your answer as a fraction
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Charlie is playing a boardgame she is rolling two number cubes.
How many outcomes are possible?
Create an outcome chart to prove your answer
Anyone pls help me do this equation
Nicky had $73 initially. Since Abby had the same amount, Abby also had $73 initially.
What is polynomials?Using variables and coefficients, polynomials are algebraic expressions. The term "indeterminates" is sometimes used to describe variables. The terms Poly and Nominal, which together signify "many" and "terms," make up the word polynomial. When exponents, constants, and variables are combined using mathematical operations like addition, subtraction, multiplication, and division, the result is a polynomial (No division operation by a variable). The expression is categorized as a monomial, binomial, or trinomial based on the number of terms it contains.
After Abby spent $37, she had A - 37 dollars left. After Nicky spent $61, she had N - 61 dollars left. We also know that after Abby spent $37, she had 3 times as much money as Nicky. So we can set up an equation:
A - 37 = 3(N - 61)
Substituting A = N from the earlier equation, we get:
N - 37 = 3(N - 61)
Expanding the brackets, we get:
N - 37 = 3N - 183
Simplifying and solving for N, we get:
2N = 146
N = 73
Therefore, Nicky had $73 initially. Since Abby had the same amount, Abby also had $73 initially.
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A line with a slope of 1/3 passes through (-1,-2). Write the equation of the line in general form.
Answer:
I think it will be
y=1/3x+0
Suppose that 10 years ago you bought a home for $110,000, paying 10% as a down payment, and financing the rest at 8% interest for 30 years.
Your existing mortgage (the one you got 10 years ago)
How much money did you pay as your down payment?
$Correct
11,000
Correct Question 2. Points: 1 out of 1 possible.
How much money was your existing mortgage (loan) for?
$Correct
99,000
Partially correct Question 3. Points: 1 out of 3 possible.
What is your current monthly payment on your existing mortgage?
$Correct
724.96
Note: Carry at least 4 decimal places during calculations, but round your final answer to the nearest cent.
Untried Question 4 Points: 0 out of 2 possible. 2 available on this attempt.
How much total interest will you pay over the life of the existing loan?
Answer:
monthly payment: $726.43interest paid: $162,513.69Step-by-step explanation:
You want to know the monthly payment on a 30-year loan of $99,000 at 8%, and the total interest paid.
PaymentThe monthly payment is given by the amortization formula ...
A = P(r/12)/(1 -(1 +r/12)^(-12t))
where P is the loan amount, r is the annual interest rate, and t is the loan period in years
A = $99000(0.08/12)/(1 -(1 +0.08/12)^(-12·30)) ≈ 726.42692814058
The monthly payment is $726.43.
Interest paidThe total of monthly payments is about 360 times the "exact" value of the monthly payment. There is always a slight adjustment made in the last payment to account for the fact that the payment value is always rounded. We can approximate that adjustment by using the "exact" monthly payment amount: $726.42693
The interest paid is the difference between the total of payments and the original loan amount:
I = 360×$726.42693 -99000 ≈ $162,513.69
The total interest paid is about $162,513.69.
__
Additional comment
If you use 360 times the monthly payment of $726.43, you will compute the interest paid as $162,514.80.
If you compute the future value of the loan after 360 payments of $726.43, you will find it is $4.58. This means the last payment will be $726.43 -4.58 = $721.85, and the total of payments will be $261,510.22, which includes $162,510.22 in interest.
If you make an amortization schedule, where interest is rounded every month (as in "real life"), the result will be different from any of these values. It is $162,510.63. (The last payment is $722.26.)
The upshot is that the amount you determine for total interest paid will depend on the method you use to determine it.
How are the points
(4, 5) and (-4, 5) related?
Answer:
The two points (4, 5) and (-4, 5) have the same y-coordinate, which means they lie on a horizontal line. This horizontal line is the x-axis. So, the points are related in that they both lie on the x-axis, with a distance of 8 units between them.
Equation in vertex form
Answer:
f(x) = -(x-3)+7
Step-by-step explanation:
As a salesperson at Scrapbooks and Treasures, Alysse receives a monthly base pay plus commission on all that she sells. If she sells $400 worth of merchandise in one month, she is paid $292. If she sells $800 of merchandise in one month, she is paid $384.
Here is the salary function used to represent this situation in terms of the amount of merchandise sold:
s(x) = 0.23x + 200
Find Alysse's salary when she sells $2,200 worth of merchandise.
Step-by-step explanation:
As a salesperson at Scrapbooks and Treasures, Alysse receives a monthly base pay plus commission on all that she sells. If she sells $400 worth of merchandise in one month, she is paid $292. If she sells $800 of merchandise in one month, she is paid $384.
Here is the salary function used to represent this situation in terms of the amount of merchandise sold:
s(x) = 0.23x + 200
Find Alysse's salary when she sells $2,200 worth of merchandise.
I need help with this ( Q7 to Q12 )
The values of the composite function are (f + g)(x) = 2x² + 3x - 2, (f - g)(x) = -2x² + 3x - 8, (f . g)(x) = 6x³ + 4x² - 15x - 15, (f o g)(x) = 6x² + 4, (g o f)(x) = 18x² - 60x + 53, (f o g)(3) = 58
What are the values of the composite functionsTo determine the values of the composite functions, we have to evaluate or simplify each as
7. (f + g)(x) = f(x) + g(x) = (3x - 5) + (2x² + 3) = 2x² + 3x - 2
8. (f - g)(x) = f(x) - g(x) = (3x - 5) - (2x² + 3) = -2x² + 3x - 8
9. (f . g)(x) = f(x) * g(x) = (3x - 5) * (2x² + 3) = 6x³ + 4x² - 15x - 15
10. (f o g)(x) = f(g(x)) = f(2x² + 3) = 3(2x² + 3) - 5 = 6x² + 4
11. (g o f)(x) = g(f(x)) = g(3x - 5) = 2(3x - 5)² + 3 = 18x² - 60x + 53
12. (f o g)(3) = f(g(3)) = f(2(3)² + 3) = f(21) = 3(21) - 5 = 58
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help?? would really appreciate it! (i highly dislike being bad at math)
Step-by-step explanation:
Put both of the equations into y = mx + b form to compare them
m = slope if they have the same slope they are parallel and do not intersect
b = y axis intercept
if m and b are equal in each of the equations , they are the same line
2x+y = 0 ======> y = - 2x + 0
2y = -4x + 6 ====> y = - 2x + 3
The both have the same slope = -2 so they are parallel
but they have different b values so they are not the same lines
No intersection means no solution : parallel lines do not intersect
ind the x-intercept and y-intercept of the line.
=+−6x4y21
Write your answers as exact values. Do not write your answers as ordered pairs.
x-intercept:
y-intercept:
The x-intercept is 21/5 and the y-intercept is -7/2 of the given line.
What is the x and y-intercept of a line?
In a two-dimensional Cartesian coordinate system, the x-intercept of a line is the point where the line crosses the x-axis, which means the value of y is zero at that point. The x-intercept can be found by setting y = 0 in the equation of the line and solving for x.
Given that we have to find the y-intercept and x-intercept
The given equation is:
5x - 6y = 21
The x-intercept is the point at which the line crosses the x-axis. At this point, the y-coordinate is zero.
The y-intercept is the point at which the line crosses the y-axis. At this point, the x-coordinate is zero
Finding x-intercept:
To find the x-intercept of a given linear equation, plug in 0 for 'y' and solve for 'x'.
Substitute y = 0 in a given equation
5x - 6(0) = 21
x = 21/5
Thus x-intercept is 21/5.
Finding y-intercept:
To find the y-intercept, plug 0 in for 'x' and solve for 'y'
Substitute x = 0 in a given equation
5(0) - 6y = 21
-6y = 21
-2y = 7
y = -7/2
Thus y-intercept is -7/2
hence, the x-intercept is 21/5 and the y-intercept is -7/2 of the given line.
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Complete question:
Find the y-intercept and x-intercept of the line. 5x-6y=21
2x = 7, 2Y = 5, then 2 x - y
The calculated value of the expression 2x - y for the given values of x and y is 9/2.
Evaluating the expression for x and yWe are given that 2x = 7 and 2y = 5, and we are asked to find the value of 2x - y.
This means that
x = 7/2 and y = 5/2
We can start by substituting the given values into the expression:
2x - y = 2(7/2) - (5/2)
Notice that since 2x = 7, then x = 7/2.
Similarly, since 2y = 5, then y = 5/2. Substituting these values into the expression, we get:
2x - y = 2(7/2) - (5/2) = 7 - 5/2 = 9/2
Therefore, the value of 2x - y is 9/2.
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Which measurement is not equal to one mile
Answer:
B
Step-by-step explanation:
5280 yards does not equal one mile
Answer
B.5,280
Step-by-step explanation:
Im just smart like that
Round 473,615 to the nearest hundred. O A. 473,610 B. 473,000 O c. C. 473,700 D. 473,600 E. 473.100
473,615 rounded to the nearest hundred is D. 473,600.
What is number rounding?Number rounding or approximation is the adjustment of the digits (up or down) to make rough calculations easier.
The result of number rounding is an estimated value rather than a precise one.
Number rounding or approximation are useful when the precise information is not required for decision-making.
473,615 = 473,600
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NEED BY 15 mins !!!! Identify the leading coefficient of the polynomial!!!!
Graph the piecewise-defined function
option D is correct answer As we can see, the graph is a parabola for x <= 0 and an exponential curve for x > 0. The function is continuous, but not differentiable at x = 0
what is exponential curve?
An exponential curve is a mathematical curve that rises or falls at an increasing rate as its values get larger. The curve is defined by an exponential function
In the given question,
To graph this function, we can start by plotting the points for different values of x. Since the function behaves differently for x <= 0 and x > 0, we will plot the points separately for each region.
For x <= 0:
x g(x)
-2 4
-1 1
0 0
For x > 0:
x g(x)
0.5 e⁰⁵ = 1.65
1 e = 2.72
2 e²= 7.39
x <= 0 x > 0
As you can see, the graph is a parabola for x <= 0 and an exponential curve for x > 0. The function is continuous, but not differentiable at x = 0 because the derivative from the left and the derivative from the right do not match.
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Two students are selected at random from a class of 13 males and 6 females. Find the probability that both students are males. (See Example 4. Round your answer to two decimal places.)
The probability that both students selected are males is 0.46.
Multiplication rule of probability:The multiplication rule of probability for independent events states that the probability of two or more independent events occurring together is the product of their individual probabilities.
If event A has probability P(A) and event B has probability P(B), and A and B are independent events, then the probability of both A and B occurring
P(A and B) = P(A) x P(B)
Here we have
There are 13 males and 6 females in the class, for a total of 19 students.
The probability of selecting a male on the first draw is 13/19.
After one male has been selected,
There are 12 males and 6 females left in the class.
The probability of selecting another male on the second draw = 12/18
[ Since there is one less student in the class and one less male]
The probability of selecting two males in a row is the product of the probabilities of each individual event:
P(male and male) = P(male on the first draw) x P(male on the second draw | male on the first draw)
= (13/19) x (12/18)
= 0.456 or approximately 0.46 (rounded to two decimal places).
Therefore,
The probability that both students selected are males is 0.46.
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A boat is heading towards a lighthouse, whose beacon-light is 119 feet above the
water. From point A, the boat's crew measures the angle of elevation to the beacon,
5°, before they draw closer. They measure the angle of elevation a second time from
point B at some later time to be 18°. Find the distance from point A to point B.
Round your answer to the nearest foot if necessary.
Rounding to the nearest foot, the distance from point A to point B is approximately 182 feet.
What is trigonometry?
Trigonometry is a branch of mathematics that deals with the relationships between the sides and angles of triangles.
Let's assume that the distance from point A to the lighthouse is x feet and the distance from point B to the lighthouse is y feet. Also, let's assume that the height of the boat's crew's eye level is h feet above the water.
From point A, we can use tangent function to find x:
tan(5°) = (119 + h) / x
From point B, we can use tangent function again to find y:
tan(18°) = (119 + h) / y
We want to find the distance between point A and point B, which is the difference between x and y:
distance AB = y - x
We need to eliminate h from these equations to solve for x and y. We can do this by solving for h in one equation and substituting it into the other equation:
h = x tan(5°) - 119
tan(18°) = (119 + x tan(5°) - 119) / y
tan(18°) = x tan(5°) / y
y = x tan(5°) / tan(18°)
distance AB = y - x = x (tan(5°) / tan(18°) - 1)
Now we can plug in the values and use a calculator to find the distance:
distance AB = x (tan(5°) / tan(18°) - 1)
distance AB = x (0.107 - 1)
distance AB = -0.893 x
Since the distance cannot be negative, we know that x must be greater than zero. Therefore, we can ignore the negative sign and solve for x:
x = distance AB / -0.893
Using a calculator, we get:
x ≈ 181.74 feet
Rounding to the nearest foot, the distance from point A to point B is approximately 182 feet.
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Suppose that 17 inches of wire costs 85 cents. At the same rate, how many inches of wire can be bought for 65 cents?
Answer:
13 inches
Step-by-step explanation:
17=85
1=85/17
1=5
Now
For 65 cents,
65=nx5
65/5=n
n=13 inches
Answer: 13 inches
Step-by-step explanation:
To solve this problem you would need to make a ratio.
A Ratio can be the symbol, : , / or the word to.
In this case you would need to do the problem as shown:
17/85 = x/65
First you would need to cross multiply, then flip the equation. And should end up with something like this:
85x =1105
Then Divide both sides by 85.
85x/85 = 1105/85
Answer:
X= 13
I need the answer pls help
Answer:
The function is shifted 1 unit to the right and then flipped over the x-axis. So the correct result is:
[tex]y = - f(x - 1)[/tex]
5)
Given:
Prove:
41 and 22 are complementary.
41 = 23
22= 24
23 and 24 are complementary.
2
3
4
7) ∠1≅∠4 on the basis of opposite angles.
8) ∠1≅∠3 on the basis of opposite angles.
9) ∠5≅∠7 on the basis of opposite angles.
What are the rules guiding opposite angles in geometry?Opposite angles in geometry are equal in measure. This is known as the "vertical angles theorem." In other words, if two lines intersect, the opposite angles formed by those lines will have the same degree of measurement.
7) since ∠1 = ∠2
and ∠3 = ∠4, then by the rule of the congruence of opposite angles, ∠1≅∠4
8) In the above shape, we can see that ∠1 and ∠3 are a opposite angles, hence, they are both equal or congruent.
9) The logic is the same for ∠5 and ∠7. The are opposites hence they are equal.
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