Question 1
Write an inequality and a word sentence that represent the graph. Let x
represent the unknown number.



Inequality:


Question 2
Word sentence: A number x
is
more than
1.

The calculated surface area of the figure is 3100.8 square feet

from the question, we have the following parameters that can be used in our computation:

SA = hp + 2B

From the figure, we have

B = 1/2 * (10 + 34) * 24.7 = 543.4

p = 2 * (34 + 19) = 106

h = 19

So, we have

SA = 19 * 106 + 2 *  543.4

Evaluate

SA = 3100.8

Hence, the surface area is 3100.8 square feet

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Answer: The answer is 7

Step-by-step explanation:

Answer:

57.5 cm × 8 mi./cm = 460 miles

The line that is parallel to AC and passes through B has the equation y: 1/5x + 12/5.

The formula for a straight line is y=mx+c where c is the height at which the line intersects the y-axis, also known as the y-intercept, and m is the gradient.

The benefit of expressing a linear equation in this way is that the values for m and b correspond to the slope and y-intercept, respectively.

This makes it easy to graph the line that the equation describes.

So, the slope of AC is:

6-1/1/2= 5/-1 = -5

The equation of line D, which passes through B and is perpendicular to AC, is given as y: mx + p.

Where p is the y value of the y-intercept point and m is the slope.

The fact that line D is perpendicular to line AC indicates that their slopes add up to one.

Therefore,

(−5) × m = −1

Now,

m = -1/-5 = 1/5

We discover that the D equation is:

Y: 1/5x + p

To complete the equation of D at this time, we still require the value of p.

B(3, 3)∈ D

3 = 1/5(3) + p

p = 3 - 3/5 = 12/5 = 2.4

Hence, equation D will be:

y: 1/5x + 12/5

Therefore, the line that is parallel to AC and passes through B has the equation y: 1/5x + 12/5.

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Correct question:

Finding the area of a triangle is straightforward if you know the length of the base and the height of the triangle. But is it possible to find the area of a triangle if you know only the coordinates of its vertices? In this task, you’ll find out. Consider ΔABC, whose vertices are A(2, 1), B(3, 3), and C(1, 6); let line segment AC represent the base of the triangle.

Part A

Find the equation of the line passing through B and perpendicular to AC .

Answer:

28cm

Step-by-step explanation:

see image for explanation.

There is a 75.40% chance that the sample mean X will be more than 0.5 away from the population mean μ.

Let X be the random variable representing the sample mean of a random sample of size 36 selected from a population with mean μ=44 and standard deviation σ=8.

The Central Limit Theorem (CLT) states that, under certain conditions, the distribution of the sample mean X can be approximated by a normal distribution with mean μ and standard deviation σ/√(n), where n is the sample size. Since the sample size is 36, we can use this approximation.

The probability that X is more than 0.5 away from the population mean can be calculated as follows:

P(|X-μ| > 0.5) = P((X-μ)/ (σ/√(n)) > (0.5) / (σ/√(n))) + P((X-μ)/ (σ/√(n)) < (-0.5) / (σ/√(n)))

Using the standard normal distribution table, we can find the corresponding probabilities for each term on the right-hand side of the equation. We have:

P(Z > 0.3125) + P(Z < -0.3125)

where Z is a standard normal random variable with mean 0 and standard deviation 1.

Using the standard normal distribution table, we can find that P(Z > 0.3125) = 0.3770 and P(Z < -0.3125) = 0.3770.

Therefore, the approximate probability that X will be more than 0.5 away from the population mean is:

P(|X-μ| > 0.5) = 0.3770 + 0.3770 = 0.7540

In terms of percentage, we can rewrite it as,

P(|X-μ| > 0.5) = 0.7540*100 = 75.40%

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Answer: 48.5 sq units

Step-by-step explanation:

7*8=56, 56-7.5= 48.5

The correct order of the set of numbers from least to greatest is 2, 3 over 4, 2.71 repeating 71, 5 over 2, square root 5 option (D) is correct.

To order the given set of numbers from least to greatest, we need to compare their values. We start by noticing that 2 and 3 over 4 are equivalent to 2.75. Next, we compare the values of the remaining numbers. Since the square root of 5 is approximately 2.236 and 5 over 2 is equivalent to 2.5, we have:

2, 3 over 4 < 2.71 repeating 71 < 2.5 < square root 5

Therefore, the set of numbers in order from least to greatest is 2, 3 over 4, 2.71 repeating 71, 5 over 2, square root 5.

Ordering the set of numbers from least to greatest, we get:

2, 3 over 4, 2.71 repeating 71, square root 5, 5 over 2.

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The complete question is:

Order the set of numbers from least to greatest: (Group of answer choices)

A. 2.71 repeating 71, 2, and 3 over 4, square root 5, 5 over 2.

B. square root 5, 5 over 2, 2.71 repeating 71, 2 3 over 4

C. 5 over 2, square root 5, 2.71 repeating 71, 2 3 over 4

D. 2, 3 over 4, 2.71 repeating 71, 5 over 2, square root 5

The surface area of the composite figure is 446 cm².

Surface area is the sum of the areas of all faces (or surfaces) on a 3D object. It is a two-dimensional measure of the space occupied by the object, and is measured in units of square units, such as square inches, square feet, and square meters. Surface area is often used to determine the amount of material needed for a solid object or the amount of paint needed to cover it.

The surface area of the composite figure can be calculated using the formula SA = 2(L x W) + (2 x H x L) + (2 x H x W). In this case, L = 9 cm, W = 10 cm, and H = 7 cm.

Therefore, the surface area of the composite figure is SA = 2(9 cm x 10 cm) + (2 x 7 cm x 9 cm) + (2 x 7 cm x 10 cm) = 180 cm²+ 126 cm²+ 140 [tex]cm^2[/tex] = 446 cm².

Therefore, the surface area of the composite figure is 446 [tex]cm^{2}[/tex].

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Complete questions as follows-

Surface Area of Composite Figures Acellus Find the surface area of the composite figure. 1 9 cm 10 cm cm 7 cm 8 cm 2 cm SA [? ] cm? Enter Copyright 02003 2021 Acellus Corporation. All Rights Reserved:'

Therefore, the approximate dimensions of the rectangle to the nearest tenth of a meter are width = 7.9 m and length = 10.8 m.

Area is a measure of the size of a two-dimensional surface or shape. It is typically expressed in square units, such as square meters (m²), square centimeters (cm²), square feet (ft²), or square inches (in²).

Here,

Let's denote the width of the rectangle as "w" in meters. Then, according to the problem statement, the length of the rectangle can be expressed in terms of the width as:

length = 2w - 5

The area of the rectangle is given as 97 square meters, so we can write:

area = length × width

Substituting the expression for length in terms of the width, we get:

area = (2w - 5) × w

Expanding this expression, we get a quadratic equation in standard form:

2w² - 5w - 97 = 0

We can solve this equation using the quadratic formula:

w = (-(-5) ± √((-5)² - 4×2×(-97))) / (2×2)

Simplifying this expression, we get:

w ≈ 7.9 or w ≈ -6.2

Since the width of a rectangle cannot be negative, we discard the negative solution and approximate the width to the nearest tenth of a meter:

w ≈ 7.9 m

Using the expression for the length in terms of the width, we can find the length:

length = 2w - 5

≈ 10.8 m

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The surface area of a rectangular prism can be found using the formula:

A = 2lw + 2lh + 2wh

where l, w, and h are the length, width, and height of the prism, respectively.

Substituting the given values, we get:

A = 2(5 cm)(6 cm) + 2(5 cm)(7 cm) + 2(6 cm)(7 cm)

A = 60 cm² + 70 cm² + 84 cm²

A = 214 cm²

Therefore, the surface area of the rectangular prism is 214 cm².

The ratio for tanx is 7/24.

To find the ratio for tanx, we need to use the given values of sinx and cosx.

The formula for tanx is:
tanx = sinx / cosx
Given, sinx = 7/25 and cosx = 24/25.
Now, let's substitute these values in the formula:
tanx = (7/25) / (24/25)
To divide these fractions, multiply the first fraction by the reciprocal of the second fraction:
tanx = (7/25) * (25/24)
Now, simplify the fractions:
tanx = (7 * 25) / (25 * 24)
The 25 in the numerator and denominator will cancel out:
tanx = 7 / 24.

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To determine the length of the third side of the triangle, we can use the triangle inequality theorem, which states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

In this case, we have two sides of lengths 24 ft and 15 ft. Let x be the length of the third side. Then, according to the triangle inequality theorem, we have:

24 + 15 > x

39 > x

and

15 + x > 24

x > 9

Combining these inequalities, we have:

9 < x < 39

Therefore, the length of the third side of the fence could be any value between 9 ft and 39 ft, but it cannot be exactly 7 ft, 8 ft, or 10 ft. Out of the given options, the closest value to the range is 9 ft.

Answer:

A

Step-by-step explanation:

Cost for x shirts in a week (4x+150)  divided by the shirts made in a week (x)

 would be represented by  A

Answer:

A is correct.

Step-by-step explanation:

The expression 4x + 150 represents the cost of manufacturing x shirts in a week. If x shirts are made in a week, the expression [tex]\frac{4x+150}{x}[/tex] (Answer A) represents the manufacturing cost per t-shirt (that's why we divide by x) where x shirts are made in a week (that's why we divide by just x, not 7x, because we're talking about 1 week, not 7 days)!

The statement of Chang's is not correct.

Here given Chang's equation is x = 3y, which means that the length of the longest ski trail (x) is three times the length of the shortest ski trail (y).

Therefore, if we assume that the length of the shortest ski trail is y, then the length of the longest ski trail would be 3y.

So, in Chang's statement, he says that the longest ski trail is more than three times the length of the shortest ski trail. This would mean that x > 3y. However, according to Chang's equation, x = 3y, which contradicts his statement.

Therefore, Chang is incorrect in saying that the longest ski trail is more than three times the length of the shortest ski trail. In fact, the longest ski trail is exactly three times the length of the shortest ski trail, as per Chang's equation.

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Correct question is "Chang has an equation x=3y where x is length of longest ski trail and y is length of the shortest ski trail.

Chang says the longest ski trail is more than three times the length of the shortest ski trail.

Is Chang correct? Explain."

There are  212520  ways by which guests arrange themselves on a four person coach.

The term permutation refers to a mathematical calculation of the number of ways a particular set can be arranged. Put simply, a permutation is a word that describes the number of ways things can be ordered or arranged. With permutations, the order of the arrangement matters.

there are total 23 guests and they arranged themselves in 4 person coach,

so,

n = 23 and r = 4

npr = n!/(n-r)!

= 23!/(23-4)!

= 23!/19!

= 23x 22 x 21 x 20x 19!/19!

now cancel the factorial 19 from numerator as well as denominator

=  23x 22 x 21 x 20

= 212520

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Answer: First, we can simplify 1/6 and 3/6 by finding a common denominator of 12:

1/6 = 2/12

3/6 = 6/12

Now we have:

2/12 + 6/12 + 1/12

Combining the numerators, we get:

9/12

Simplifying this fraction by dividing the numerator and denominator by their greatest common factor of 3, we get:

3/4

Therefore, the answer is C. 9/12.

The decision to use a one-tailed or two-tailed test depends on the specific research question and the directionality of the hypothesis.

When testing a hypothesis about a population mean, researchers may use a one-tailed or two-tailed test. A one-tailed test is used when the research question only focuses on one direction of an effect, for example, if the researcher is interested in whether the population mean is greater than a specific value. In contrast, a two-tailed test is used when the research question is interested in any significant difference between the sample mean and the hypothesized population mean, regardless of the direction of the difference.

The decision to use a one-tailed or two-tailed test should be based on the specific research question, and it is essential to clearly define the directionality of the hypothesis before selecting the appropriate test.

Therefore, the choice of a one-tailed or two-tailed test should be based on the research question and the specific direction of the hypothesis.

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With the given values, the surface area of the rectangular prism is 544 square units.

A prism is a three-dimensional geometric shape that consists of two identical parallel polygonal bases and a set of parallelograms connecting the corresponding sides of the two bases.

In general, the area of any prism can be found by adding together the areas of its bases and lateral faces.

To find the surface area of the rectangular prism represented by the given net, we need to calculate the area of each face and add them together. The rectangular prism has six faces, so we need to find the area of each face.

The top and bottom faces are rectangles with dimensions 8 x 6, so each has an area of 8 x 6 = 48 square units. There are two of these faces, so their combined area is 2 x 48 = 96 square units.

The front and back faces are rectangles with dimensions 8 x 16, so each has an area of 8 x 16 = 128 square units. There are two of these faces, so their combined area is 2 x 128 = 256 square units.

The left and right faces are rectangles with dimensions 16 x 6, so each has an area of 16 x 6 = 96 square units. There are two of these faces, so their combined area is 2 x 96 = 192 square units.

Therefore, the total surface area of the rectangular prism represented by the given net is:

96 (top and bottom) + 256 (front and back) + 192 (left and right) = 544 square units.

So, the surface area of the rectangular prism is 544 square units.

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a) A and B are independent events.

b) The outcome of each game is independent of the other games so, Rachel's loss = p.

c) The probability of all marbles being red is 4

a) Given that a first marble is red and the second marble is also red, such that

P(1) = P(2) = 0.2, P(3) = P(5) = P(6) = 0.1 and P(4) = 0.3 and die is thrown two times. Also given that:

A1 = red

B1 = red.

So, P(A) = [P(1, 1) + P(2, 2) + P(3, 3) + P(4, 4) + P(5, 5) + P(6, 6)]

= P(1).P(1) + P(2).P(2) + P(3).P(3) + P(4).P(4) + P(5).P(5) + P(6).P(6)

= 0.2 x 0.2 + 0.2 x 0.2 + 0.1 x 0.1 + 0.3 x 0.3 + 0.1 x 0.1 + 0.1 x 0.1

= 0.04 + 0.04 + 0.01 + 0.09 + 0.01 + 0.01 = 0.20

Now, B = [(4, 6), (6, 4), (5, 5), (5, 6), (6, 5), (6, 6)]

P(B) = [P(4).P(6) + P(6).P(4) + P(5).P(5) + P(5).P(6) + P(6).P(5) + P(6).P(6)]

= 0.3 x 0.1 + 0.1 x 0.3 + 0.1 x 0.1 + 0.1 x 0.1 + 0.1 x 0.1 + 0.1 x 0.1

= 0.03 + 0.03 + 0.01 + 0.01 + 0.01 + 0.01 = 0.10

A and B both events will be independent if

P(A ⋂ B) = P(A).P(B) …. (i)

And, here (A ⋂ B) = {(5, 5), (6, 6)}

So, P(A ⋂ B) = P(5, 5) + P(6, 6) = P(5).P(5) + P(6).P(6)

= 0.1 x 0.1 + 0.1 x 0.1 = 0.02

From equation (i) we get,

0.02 = 0.20 x 0.10

0.02 = 0.02

Therefore, we can say that A and B are independent events.

b) We know that the outcome of each game is independent of the other games. Rachel's loss = p. As per the given information, the games in the series are unrelated, indicating the application of the probability multiplication principle.

c) The probability of all marbles being red is 4

Let a be the probability that the first player (ultimately) wins if the two players are tied in wins. Let b be the probability that she wins if she is 1 ahead. And let c be the probability she wins if she is 1 behind. We have the equations

a = rb + 1 - r x c

b = r + 1 - r x a

c = r x a

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Answer:

5x−5≥−185x-5≥-18Move all terms not containing xx to the right side of the inequality.Tap for more steps...5x≥−135x≥-13Divide each term in 5x≥−135x≥-13 by 55 and simplify.Tap for more steps...x≥−135x≥-135The result can be shown in multiple forms.Inequality Form:x≥−135x≥-135Interval Notation:[−135,∞)

The required answer is  x represents any real number greater than or equal to -13/5 in terms of the result of solving linear inequalities,

Given that, linear inequalities 5x−5≥− 18

To solve the inequality 5x - 5 ≥ -18, we can follow these steps:

Step 1: Add 5 to both sides of the inequality to isolate the term with x:

5x - 5 + 5 ≥ -18 + 5

This simplifies to:

5x ≥ -13

Step 2: Divide both sides of the inequality by 5 to solve for x:

(5x)/5 ≥ (-13)/5

Simplifying further:

x ≥ -13/5

So, the solution to the solving linear inequality is x ≥ -13/5.

In terms of the result of solving linear inequalities, x represents any real number greater than or equal to -13/5.

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FIFA created a football with a 21 cm circumference out of leather. If 10% of the leather is wasted, the cost of leather with labour is Rs. 25 per square centimetre. All total, Rs. 31,173.90 worth of leather was purchased to produce one football.

The diameter of the leather used to make the football is 21 cm, so its radius is 10.5 cm (half of the diameter).

The formula for calculating a sphere's surface area can be used to determine how much leather is required to produce a football:

Surface area = [tex]4\pi r^2[/tex]

Surface area = 4π[tex](10.5)^2[/tex]

Surface area = 1385.44 sq. cm

If 10% of the leather is wasted, then the actual amount of leather used is 90% of the total leather bought. So, we need to calculate the cost of 90% of the leather:

Cost of leather = 90% of the total leather cost

Cost of leather = 0.9 x 1385.44 sq.cm x Rs. 25/sq.cm

Cost of leather = Rs. 31,173.90

Therefore, the total cost of the leather bought to make the football, including the labour cost, is Rs. 31,173.90.

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Step-by-step explanation:

Find the frontal area = triangle PLUS square...then multiply by depth ,a.

  1/2 * a * b     +    a * a       all of this times the depth  'a'

 [ 1/2 ( 7 *5)  +  7*7 ]  *  7   = 465.5 units^3

Based on the calculated z-score of 17.07, and a corresponding p-value, the process would be considered out of control at the 0.05 significance level.

To determine whether the process is in control or out of control, we can use a hypothesis test with a significance level of 0.05. The null hypothesis (H0) is that the process is in control, and the alternative hypothesis (Ha) is that the process is out of control.

We can calculate the z-score as follows:

z = (x - μ) / (σ / sqrt(n))

where x is the observed value (118), μ is the mean (104), σ is the standard deviation (8.2), and n is the sample size (1).

Plugging in the values, we get:

z = (118 - 104) / (8.2 / sqrt(1)) = 17.07

The corresponding p-value for this z-score is virtually zero. Since the p-value is less than 0.05, we reject the null hypothesis and conclude that the process is out of control.

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Answer:

[tex]\boxed{\frac{1}{12}}[/tex]

Step-by-step explanation:

The multiplication of fractions satisfies the following rule:

[tex]\displaystyle{\frac{a}{b}\times\frac{c}{d}=\frac{a\times c}{b\times d}[/tex]

applied to our exercise, it looks like this

[tex]\displaystyle{\frac{5}{14}\times\frac{7}{30}=\frac{5\times 7}{14\times 30}[/tex]

also, we can "decompose" denominator numbers as follows:

[tex]14=7*2[/tex]

[tex]30=5*6[/tex]

Therefore:

[tex]\displaystyle\frac{\not{5}\times \not{7}}{2 \times \not{7}\times \not{5}\times 6}= \frac{1}{12}[/tex]

In this way, only one multiplication was necessary.

[tex]\text{-B$\mathfrak{randon}$VN}[/tex]

The soil will reach about 27 cm up the pot when it fills 75% of the pot's volume.

To determine how far up the pot the soil will reach, we need to first find the volume of the pot, then find 75% of that volume, and finally calculate the height of soil in the pot.
Step 1: Calculate the volume of the pot
The volume of a pyramid can be calculated using the formula V = (1/3) * B * h,

where V is the volume, B is the area of the base, and h is the height.

Since the base is a square with a side length of 36 cm, the area of the base (B) is 36 cm * 36 cm = 1296 cm².

Now, plug the values into the formula:
V = (1/3) * 1296 cm² * 36 cm = 15552 cm³
Step 2: Calculate 75% of the pot's volume
75% of the pot's volume can be calculated as:
Soil volume = 15552 cm³ * 0.75 = 11664 cm³
Step 3: Calculate the height of the soil in the pot
To find the height of the soil, we can use the same formula for the volume of the pyramid, but we will solve for the height[tex](h_soil)[/tex] this time:
11664 cm³ = (1/3) * 1296 cm² * [tex]h_soil[/tex]
Solve for h_soil:
[tex]h_soil[/tex] = (11664 cm³ * 3) / 1296 cm² ≈ 27 cm.

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Answer:

yes these 2 triangles are similar

Step-by-step explanation:

triangle ABC is similar to triangle ADE. it has a scale factor of 1.5. It is a dilated. 10×1.5=15 so it has a scale factor of 1.5 which is an enlargement. any scale factor greater than 1 increases the size of the triangle. it is proportional if you multiply both sides by the scale factor (1.5) you get 15. also The angles are equal (AA similarity) these two triangles are NOT congruent but they are similar the degrees are equal. btw SSS and SAS are congruence postulates NOT similarity. so therefore they are similar because of AA

i hope this helps :)

Answer:41,328

Step-by-step explanation:

18+7+11=36 36%

100-36=64 64%

25,200 x 164%=41,328

Part A: The side length of triangle EF = 10.35.

Part B: ∠E = 78

Sine rule :

e/sinE = f/sinF = d/sinD

Where D, E, and F are the angles and d,e and f are the angles' opposing sides.

Put the values:

DF/sinE = 11.7/sin55 = EF/sin47

Part A: EF = ?

11.7/sin55 = EF/sin47

EF = 11.7 * sin47 / sin55

EF = 10.35

Part B: ∠E = ?

Using angle sum property of triangles.

∠E + ∠D + ∠F = 180

∠E + 47 + 55 = 180

∠E = 78

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the coordinate that represents the cost when renting from either company would be the same is (10, 50). This means that if Carmen rents a bike for 10 hours, she would pay the same amount whether she rented from Company A or Company B.

How to determine the point?

To determine the point where the cost of renting a bike from Company A and Company B is the same, we need to find the values of h and y that satisfy the equations y = 2h + 30 and y = 4h + 10. We can solve for h by setting the two equations equal to each other:

2h + 30 = 4h + 10

Simplifying this equation, we get:

20 = 2h

h = 10

Now that we know h is 10, we can substitute that value into either equation to find y. Using the first equation:

y = 2h + 30 = 2(10) + 30 = 50

Therefore, the coordinate that represents the cost when renting from either company would be the same is (10, 50). This means that if Carmen rents a bike for 10 hours, she would pay the same amount whether she rented from Company A or Company B.

It's worth noting that as the number of hours rented increases, the difference in cost between the two companies becomes greater. For example, if Carmen rented a bike for 20 hours, the cost would be $70 from Company A and $90 from Company B. Therefore, it's important for Carmen to consider how long she plans to rent the bike for when deciding which company to rent from.

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