The following chart gives the gold medal times for every other Summer Olympics for the women’s 100 meter freestyle (swimming).

The Following Chart Gives The Gold Medal Times For Every Other Summer Olympics For The Womens 100 Meter

Answers

Answer 1

The y-intercept of the LSRL for the given data, with x = 12 representing the year "1912," is approximately 80.28.

To find the y-intercept of the Least Squares Regression Line (LSRL) for the given data, we can use linear regression to fit a line to the data points.

The LSRL equation is in the form y = mx + b, where y represents the response variable (in this case, the gold medal times), x represents the explanatory variable (in this case, the year represented by x = 12 for "1912"), m represents the slope of the line, and b represents the y-intercept.

First, let's assign the given data to the variables x and y, where x represents the year and y represents the gold medal times:

x = [12, 24, 32, 52, 60, 68, 76, 84, 92]

y = [82.2, 72.4, 66.8, 66.8, 61.2, 60.0, 55.65, 55.92, 54.64]

Next, we perform linear regression to find the equation of the LSRL. Using statistical software or calculators, we can find that the equation of the LSRL is y ≈ -0.29x + 80.28.

Since we are interested in the y-intercept, we set x = 0 and solve for y:

y-intercept = -0.29(0) + 80.28 = 80.28

Therefore, the y-intercept of the LSRL for the given data, with x = 12 representing the year "1912," is approximately 80.28. This value represents the predicted gold medal time in seconds for the women's 100-meter freestyle event in the year 1912, based on the regression line fitted to the available data.

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Related Questions

Saving and investment in the national income accounts
The following table contains data for a hypothetical closed economy that uses the dollar as its currency.
Suppose GDP in this country is $1,440 million. Enter the amount for consumption.
National Income Account
Value
(Millions of dollars)
Government Purchases (G
) 300
Taxes minus Transfer Payments (T
) 360
Consumption (C
)
Investment (I
) 390
Complete the following table by using national income accounting identities to calculate national saving. In your calculations, use data from the preceding table.
National Saving (S)
=

=

$
million
Complete the following table by using national income accounting identities to calculate private and public saving. In your calculations, use data from the initial table.
Private Saving
=

=
$
million
Public Saving
=

=
$
million
Based on your calculations, the government is running a budget

Answers

Based on the given figures of saving and investment in the national income accounts, we can calculate the budget deficit or surplus by analyzing the relationship between government spending and revenue.

In national income accounting, saving and investment are important factors in measuring a country's budget. In this context, the given statement "Saving and investment in the national income accounts = $ = million" refers to the total amount of saving and investment in the country, which is measured in millions of dollars.
To determine whether the government is running a budget deficit or surplus, we need to consider the relationship between government spending and revenue. If government spending exceeds revenue, then it is running a budget deficit, while if government revenue exceeds spending, then it is running a budget surplus.
Let's assume that the government revenue is $500 million and its spending is $550 million. To calculate the budget deficit or surplus, we need to subtract government spending from revenue.
Budget deficit = Government spending - Revenue
Budget deficit = $550 million - $500 million
Budget deficit = $50 million
In this case, the budget deficit is $50 million, which means the government is spending $50 million more than it is earning in revenue. This indicates that the government is running a deficit and needs to either increase its revenue or decrease its spending to balance its budget.
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What is the solution to this equation? x+9 = -4 O A. x=5 • B. x=-13 • c. x= 13 O D. x= -5

Answers

Answer:

The answer is,

B. x = -13

Step-by-step explanation:

x + 9 = -4

x = -4 - 9

x = -13

Which inequality is equivalent to the given inequality? -4(x+7)< 3(x-2)

Answers

An equivalent inequality to the given [tex]-4(x + 7) < 3(x - 2)[/tex] is [tex]7x > -22.[/tex]

To find an equivalent inequality, we can start by simplifying the given inequality and then make adjustments to preserve its truth.

Let's simplify the given inequality step by step:

[tex]-4(x + 7) < 3(x - 2)[/tex]

Expanding both sides:

[tex]-4x - 28 < 3x - 6[/tex]

Grouping like terms:

[tex]-4x - 3x < -6 + 28[/tex]

Simplifying:

[tex]-7x < 22[/tex]

To maintain the direction of the inequality, we need to multiply both sides by -1.

However, when we multiply or divide both sides of an inequality by a negative number, the direction of the inequality is reversed.

Therefore, we need to flip the inequality sign:

[tex]7x > -22[/tex]

Hence, an equivalent inequality to the given [tex]-4(x + 7) < 3(x - 2)[/tex] is

[tex]7x > -22.[/tex]

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2(5-x)+7=9x-3(2x-4)
solve th equation

Answers

Answer:

Step-by-step explanation:

Let's solve the equation step by step:

2(5 - x) + 7 = 9x - 3(2x - 4)

First, distribute the 2 and -3:

10 - 2x + 7 = 9x - 6x + 12

Combine like terms:

17 - 2x = 3x + 12

Now, let's isolate the x term on one side:

-2x - 3x = 12 - 17

-5x = -5

Divide both sides by -5 to solve for x:

x = -5 / -5

x = 1

Therefore, the solution to the equation is x = 1.

Hope this answer your question

Please rate the answer and

mark me ask Brainliest it helps a lot

Answer:

x=1

Step-by-step explanation:

The given equation is:

2(5-x)+7=9x-3(2x-4)

Expanding the brackets on both sides, we get:

10-2x+7=9x-6x+12

Combining like terms, we get:

17-2x=3x+12

Adding Both side by 2x

17=3x+2x+12

17=5x+12

Subtracting 12 from both sides, we get:

17-12=5x

5=5x

Dividing both sides by 5, we get:

x=1

Therefore, the solution to the equation is x=1.

The lengths of the sides of triangle XYZ are written in terms of the variable m, where m ≥ 6.

Triangle X Y Z is shown. The length of side X Y is m + 8, the length of side Y Z is 2 m + 3, the length of side Z X is m minus 3.

Which is correct regarding the angles of the triangle?

mAngleX < mAngleZ < mAngleY
mAngleY < mAngleZ < mAngleX
mAngleY < mAngleX < mAngleZ
mAngleZ < mAngleY < mAngleX

Answers

Therefore, we can conclude that the correct order of the angles in triangle XYZ is: mAngleY < mAngleZ < mAngleX. To determine the correct order of the angles in triangle XYZ, we need to analyze the relationship between the side lengths.

Given:

Length of side XY: m + 8

Length of side YZ: 2m + 3

Length of side ZX: m - 3

To determine the relationship between the angles, we can compare the side lengths using the Triangle Inequality Theorem. According to the theorem, the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

Applying the theorem to triangle XYZ, we have:

(m + 8) + (2m + 3) > (m - 3) (for the XY and YZ sides)

(2m + 3) + (m - 3) > (m + 8) (for the YZ and ZX sides)

(m - 3) + (m + 8) > (2m + 3) (for the ZX and XY sides)

Simplifying these inequalities, we get:

3m + 11 > m - 3

3m > -6

m > -2

Since the given condition is m ≥ 6, the inequality m > -2 is satisfied.

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drag tiles to the boxes to form correct pairs. match the cube roots and square roots with their values.​

Answers

The square root of 9 is 3
the cubed root of 729 is 9
the square root of 100 is 10
the cubed root of 216 is 6
the square root of 64 is 8
and the cubed root of 343 is 7


This should be right

The function g(x) is a transformation of the quadratic parent function, f(x) =
2. What function is g(x)?
-5
g(x)
5
-5-
Click here for long description
O A. g(x) = 2x²
OB. g(x)=x²
5
O C. g(x) = -2x²
OD. g(x) = -22

Answers

The correct option is C. Therefore, the function g(x) is g(x) = -2x².

Based on the given options, the function g(x) can be determined as follows:

The quadratic parent function, f(x) = x², is a U-shaped curve that opens upward.

To find the transformation of the parent function, we need to consider the given options:

A. g(x) = 2x²: This option represents a vertical stretch of the parent function by a factor of 2. However, it doesn't match the given information that g(x) is a transformation of the parent function.

B. g(x) = x²: This option represents the parent function itself without any transformations. Again, it doesn't match the given information.

C. g(x) = -2x²: This option represents a vertical reflection and a vertical stretch of the parent function by a factor of 2. It is a possible transformation that matches the given information.

D. g(x) = -2: This option is a constant function and does not represent a quadratic function or a transformation of the parent function.

The right choice, according to the information provided, is C. G(x) is therefore defined as g(x) = -2x2.

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Find the area of the figure. (Sides meet at right angles.)

Answers

The area of the figure is 78cm²

How to determine the area

First, we need to know that the formula for calculating area of a rectangle is expressed as;

A = lw

Such that the parameters of the formula are;

A is the areal is the lengthw is the width

Now, substitute the values, we get;

Big rectangle

Area = 9(6)

Area = 54cm²

Area of two small rectangle = 2 (4 ×3) = 2(12) = 24cm²

Total area = 24 + 54

Total area = 78cm²

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The area of the figure is 69 cm²

What is area of figure?

The area of a figure is the number of unit squares that cover the surface of a closed figure. Area is measured in unit square.

The figure can be divided into rectangles and squares.

Area of rectangle 1 = 9× 3

= 27 cm²

area of rectangle 2 = 5 × 3

= 15cm²

area of rectangle 3 = 3 × 9

= 27 cm²

Therefore , area of the figure is

27 + 27 +15

= 69 cm²

The area of the figure is 69 cm²

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What is the surface area of the cylinder with height 2 ft and radius 6 ft? Round your answer to the nearest thousandth.

Answers

The surface area of the cylinder, rounded to the nearest thousandth, is approximately 301.593 ft².the surface area of the cylinder, rounded to the nearest thousandth, is approximately 301.593 ft².

To calculate the surface area of a cylinder, we need to find the lateral surface area and the area of the two bases. The lateral surface area can be calculated by multiplying the height of the cylinder by the circumference of the base.

The formula for the circumference of a circle is 2πr, where π is a constant approximately equal to 3.14159 and r is the radius of the cylinder.

Given that the height of the cylinder is 2 ft and the radius is 6 ft, we can calculate the surface area as follows:

Lateral Surface Area = 2πrh = 2(3.14159)(6)(2) ≈ 75.398 ft²

The area of the two bases is equal to the area of a circle, which can be calculated using the formula A = πr²:

Base Area = πr² = (3.14159)(6²) ≈ 113.097 ft²

To find the total surface area, we sum up the lateral surface area and the base areas:

Total Surface Area = Lateral Surface Area + 2(Base Area) = 75.398 + 2(113.097) ≈ 301.593 ft²

Therefore, the surface area of the cylinder, rounded to the nearest thousandth, is approximately 301.593 ft².

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The product of sin 30° and sin 60°

Answers

The multiplication of sin 30° and sin 60° results in √3/2, representing the value of their product without any alteration.

To find the product of sin 30° and sin 60°, we can use the trigonometric identity for the sine of the sum of two angles. The identity states that sin(A + B) = sin(A)cos(B) + cos(A)sin(B).

Let's consider sin 30° and sin 60°:

sin 30° = 1/2

sin 60° = √3/2

Using the identity, we have:

sin (30° + 60°) = sin 30°cos 60° + cos 30°sin 60°

Now, we can substitute the values:

sin (30° + 60°) = (1/2)(√3/2) + (√3/2)(1/2)

Simplifying, we get:

sin (30° + 60°) = √3/4 + √3/4

Combining like terms, we have:

sin (30° + 60°) = 2√3/4

Now, let's simplify the expression:

sin (30° + 60°) = √3/2

Therefore, the product of sin 30° and sin 60° is √3/2

In summary, the product of sin 30° and sin 60° is equal to √3/2, which can be derived by using the trigonometric identity for the sine of the sum of two angles.

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8. Tara pays a base rate for her long distance phone service plus a per-minute charge.
The graph below shows what she would pay for her long distance phone service for the
first 60 minutes. What does the y-intercept of this graph represent?
9. Rich is a number of a gym. He pays a monthly fee plus a per-visit fee. The equation

Answers

The y-intercept of the graph, of b = 5, represents that Tara pays a base fee of $5.

How to define a linear function?

The slope-intercept equation for a linear function is presented as follows:

y = mx + b

In which:

m is the slope.b is the intercept.

The intercept on the graph is the value of y at which the graph touches or crosses the y-axis, hence it is given as follows:

b = 5.

At the y-intercept, we have that x = 0, hence it represents the base fee of Tara's plan.

Missing Information

Question 9 is incomplete, hence it cannot be answered.

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A technician is launching fireworks near the end of a show. Of the remaining eight fireworks, six are blue and two are red. If he launches six of them in random order, what is the probability that all of them are blue?

Answers

The probability that all six launched fireworks are blue is 1/28.

To find the probability that all six launched fireworks are blue, we need to calculate the probability of selecting a blue firework from the remaining pool of fireworks for each launch, and then multiply those probabilities together.

Initially, there are a total of 8 remaining fireworks: 6 blue and 2 red.

For the first launch, the probability of selecting a blue firework is 6/8, since there are 6 blue fireworks out of the remaining 8.

For the second launch, the probability of selecting a blue firework is 5/7, as there will be 5 blue fireworks left out of the remaining 7 after the first launch.

Similarly, for the third, fourth, fifth, and sixth launches, the probabilities of selecting blue fireworks will be 4/6, 3/5, 2/4, and 1/3, respectively.

To find the overall probability, we multiply these individual probabilities together:

Probability = (6/8) * (5/7) * (4/6) * (3/5) * (2/4) * (1/3)

Simplifying:

Probability = 1/28

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8. Tara pays a base rate for her long distance phone service plus a per-minute charge.
The graph below shows what she would pay for her long distance phone service for the
first 60 minutes. What does the y-intercept of this graph represent?

Answers

The y-intercept of this graph represent 5 and it means the base rate for the long distance phone service is $5.

What is y-intercept?

In Mathematics and Geometry, the y-intercept is sometimes referred to as an initial value or vertical intercept and the y-intercept of any graph such as a linear equation or function, generally occur at the point where the value of "x" is equal to zero (x = 0).

By critically observing the graph and the function y = 1/20(x) + 5 shown in the image attached below, we can reasonably infer and logically deduce the following y-intercept:

y-intercept of y = (0, 5).

In conclusion, we can reasonably infer and logically deduce that the base rate for the long distance phone service is equal to $5.

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Missing information:

The question is incomplete and the complete question is shown in the attached picture.

Work out the length of x. Give your answer rounded to 3 significant figures. 13.3 mm 5.5 mm The diagram is not drawn accurately. X = 0 mm x​

Answers

Step-by-step explanation:

Based on the information given, we have a diagram with two sides labeled as 13.3 mm and 5.5 mm, and another side labeled as X mm.

To find the length of X, we can use the fact that the sum of the lengths of the sides of a triangle is equal to the perimeter.

Perimeter = 13.3 mm + 5.5 mm + X mm

The perimeter is the total distance around the triangle. Since we have three sides, the perimeter is the sum of the lengths of those sides.

To find X, we can subtract the sum of the known sides from the perimeter:

X mm = Perimeter - (13.3 mm + 5.5 mm)

Since the value of X is not given, we cannot calculate it without the perimeter value. If you provide the perimeter value, I can help you find the length of X.

Express 1-2cos2a as a product

Answers

1 - 2cos(2a) can be written as the product of two expressions: (2cos(a) - 1) and (4cos(a) + 5).

We can use the double angle identity for cosine, which states that:

cos(2a) =[tex]cos^2(a) - sin^2(a)[/tex]

Rearranging and factoring, we get:

[tex]cos^2(a) = cos^2(a) - sin^2(a) + sin^2(a) = cos^2(a) - (1 - cos^2(a)) = 2cos^2(a) - 1[/tex]

Thus, we can substitute this expression for cos^2(a) in the given expression:

1 - 2cos(2a) = 1 - 2(cos^2(a) - sin^2(a))

Distributing the negative sign and substituting the expression we derived earlier for cos^2(a), we get:

1 - 2cos(2a) = 1 - 2(2cos^2(a) - 1) + 2sin^2(a)

Simplifying, we get:

1 - 2cos(2a) = 4sin^2(a) - 4cos^2(a) + 1

Note that sin^2(a) + cos^2(a) = 1, so we can substitute 1 - cos^2(a) for sin^2(a):

1 - 2cos(2a) = 4(1 - cos^2(a)) - 4cos^2(a) + 1

Simplifying, we get:

1 - 2cos(2a) = 5 - 8cos^2(a)

Finally, we can rearrange to express 1 - 2cos(2a) as a product:

1 - 2cos(2a) = (2cos(a) - 1)(4cos(a) + 5)

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PLEASE SOLVE FOR 50 POINTS!!!!

Answers

3 answer :-

if the diameter=14cm

then radius =7cm

height=18.2cm

we know that

C. S. A=2πrh

=2×22/7×7×18.2

=36.4×22

the metal used for making can =796.4

hope this help you I apologize if the above answer is wrong

I am sorry but I know only one answer

A rectangular flowerbed measures 3 meters by 5 meters. The bed must be dug out and filled with topsoil to a depth of 0.5 meters.

a) Calculate the volume of the topsoil needed to fill the flowerbed.

b) If topsoil is delivered for $78.50/meter, calculate the cost of the topsoil needed.

Answers

The cost of the topsoil needed to fill the flower bed is $588.75.

A rectangular flowerbed measures 3 meters by 5 meters.

The bed must be dug out and filled with topsoil to a depth of 0.5 meters.

To find:

a) The volume of the topsoil needed to fill the flowerbed.

Volume of topsoil = length × breadth × height of flowerbed

= 3 m × 5 m × 0.5 m= 7.5 m³

Therefore, the volume of topsoil needed to fill the flowerbed is 7.5 cubic meters.

Now, let us calculate the cost of the topsoil needed.Cost of 1 meter of topsoil

To calculate the volume of topsoil required to fill the flower bed, you can use the cuboid volume formula:

Volume = Length x Width x Depth

Length = 3 meters

Width = 5 meters

Depth = 0.5 meters

Substituting the values ​​into the resulting formula:

Volume = 3 meters x 5 meters x 0.5 meters

Volume = 7.5 cubic meters

The volume of topsoil required for Bed 7.5 cubic meters.

b) To calculate the cost of topsoil required, the volume of topsoil should be multiplied by the cost per meter.

The cost is $78.50 per meter, so you can calculate the cost as follows:

cost = volume * cost per meter

Plug the value into the formula:

cost = 7.5 cubic yards * $78.50/ meters

cost = $588.75

= $78.50Cost of 7.5 meters of topsoil

= 78.5 × 7.5= $588.75

Therefore, the cost of the topsoil needed is $588.75.

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Picture attached! 4 For x 20, which equation is false?
3
1)
(x2)2 = 4/3
2)
(x³)
-
3) √
(x
4)
=
=

Answers

The equation that is false is (a) [tex](x^\frac{3}{2})^2 = \sqrt[4]{x^3}[/tex]

How to determine the equation that is false

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

The equations

Next, we evaluate each equation

So, we have

(a)

[tex](x^\frac{3}{2})^2 = \sqrt[4]{x^3}[/tex]

Open the brackets

So, we have

[tex]x^3 = \sqrt[4]{x^3}[/tex]

The above equation is false, except when x = 0

Hence, the equation that is false is (a) [tex](x^\frac{3}{2})^2 = \sqrt[4]{x^3}[/tex]

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Which point satisfies the system of equations y = 3x − 2 and y = -2x + 3? A graph with y and x-axis in positive and negative planes. Five dots marked on the plane are joined by lines. A. A B. B C. C D. D

Answers

The point (1, 1) satisfies the given system of equations y = 3x − 2 and y = -2x + 3.

Given the system of equations:y = 3x - 2 (Equation 1)y = -2x + 3 (Equation 2)To find the point which satisfies the given system of equations, we have to equate Equation 1 and Equation 2.y = 3x - 2 = -2x + 3y + 2x = 3 + 2x = 5x = 5/5 = 1Putting the value of x in any of the equation, we can find the value of y.y = 3(1) - 2y = 3 - 2 = 1

The graph of the given system of equations:y = 3x - 2 and y = -2x + 3 is shown below:Graph of the given system of equations.

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Debt (Kd) 8.5 % 20 % 1.70 %
Preferred stock (Kp) 7.2 10 0.72
Common equity (Ke) (retained earnings) 7.5 70 5.25
Weighted average cost of capital (Ka) 7.67 %
A) If the firm has $42 million in retained earnings, at what size capital structure will the firm run out of retained earnings? (Enter your answer in millions of dollars (e.g., $10 million should be entered as "10").)
B) The 8.5 percent cost of debt referred to earlier applies only to the first $14 million of debt. After that the cost of debt will go up. At what size capital structure will there be a change in the cost of debt? (Enter your answer in millions of dollars (e.g., $10 million should be entered as "10").)

Answers

A) , the firm will run out of retained earnings at a capital structure size of $560 million for the first capital structure, $60 million for the second capital structure, and $800 million for the third capital structure.

B)  there will be a change in the cost of debt at a capital structure size of approximately $19.95 million.

A) To determine the size of the capital structure at which the firm will run out of retained earnings, we need to calculate the retained earnings limit. Retained earnings are expressed as a percentage of the common equity (Ke). From the given information, the retained earnings are 7.5%, 70, and 5.25 for the three different capital structures. Let's assume the size of the capital structure as "x" million dollars.

For the first capital structure (7.5% Ke), the retained earnings limit is given by:

0.075x = 42

x = 42 / 0.075

x ≈ 560

For the second capital structure (70 Ke), the retained earnings limit is given by:

0.70x = 42

x = 42 / 0.70

x ≈ 60

For the third capital structure (5.25 Ke), the retained earnings limit is given by:

0.0525x = 42

x = 42 / 0.0525

x ≈ 800

Therefore, the firm will run out of retained earnings at a capital structure size of $560 million for the first capital structure, $60 million for the second capital structure, and $800 million for the third capital structure.

B) The 8.5% cost of debt applies only to the first $14 million of debt. After that, the cost of debt will go up. To find the capital structure size at which the cost of debt changes, we need to consider the different debt levels and their associated costs.

Assuming the capital structure size as "y" million dollars, we can calculate the change in cost of debt:

For the first $14 million of debt, the cost of debt is 8.5%. Therefore, we have:

0.085(14) = 1.19

Once the debt exceeds $14 million, the cost of debt will change. From the given information, the cost of debt increases to 20% after $14 million. So, we have:

0.20(y - 14) = 0.20y - 2.8

To find the size of the capital structure at which the cost of debt changes, we need to equate the two expressions:

1.19 = 0.20y - 2.8

0.20y = 1.19 + 2.8

0.20y = 3.99

y = 3.99 / 0.20

y ≈ 19.95

Therefore, there will be a change in the cost of debt at a capital structure size of approximately $19.95 million.

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2y = 4x - 12
Find the x and the y intercept of the line.

Answers

2(0) = 4x - 12

0 = 4x - 12

Adding 12 to both sides:

12 = 4x

Dividing both sides by 4:

3 = x

For Y:

2y = 4(0) - 12

2y = -12

Dividing both sides by 2:

y = -6

Therefore, the y-intercept of the line is y = -6.

If the scatter diagram is drawn the scatter points lie on a straight line then it indicate


Select one:
a. Skewness
b. None of these
c. Perfect linear relationship
d. No Relationship
e. Perfect correlation


Note: Answer C is NOT the correct answer. Please find the correct answer. Any answer without justification will be rejected automatically.

Answers

If the scatter points lie on a straight line, it indicates a perfect correlation. Option E

When the scatter points form a straight line, it means that there is a consistent and predictable relationship between the two variables. This relationship can be described by a linear equation, where a change in one variable corresponds to a proportional change in the other variable.

For example, if the scatter diagram represents the relationship between the number of hours studied and the test scores obtained by students, a straight line indicates that as the number of hours studied increases, the test scores also increase by a constant amount.

This type of relationship is characterized by a strong correlation between the variables. Correlation measures the strength and direction of the relationship between two variables.

In this case, a perfect linear relationship would correspond to a correlation coefficient of either +1 or -1, depending on whether the relationship is positive or negative.

A correlation coefficient of +1 indicates a perfect positive linear relationship, where the variables increase together, while a correlation coefficient of -1 indicates a perfect negative linear relationship, where one variable decreases as the other increases. Option E

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Cumulative Exam Cumulative Exam Active 11 12 13 W Which distance measures 5 units? X 15 -8 -7 -6 -5 -4 -3 -2 0 16 2 the distance between points W and X the distance between points X and Y the distance between points X and Z the distance between points Y and Z 3 18 19 20 4 5 6 7 8 G​

Answers

The distance that measures 5 units include the following: A. the distance between points W and X.

What is a number line?

In Geometry, a number line simply refers to a type of graph that is composed of a graduated straight line, which typically comprises both negative and positive numerical values (numbers) that are located at equal intervals along its length.

Based on the number line shown in the image attached below, we can logically deduce the following distances:

Distance between points W and X = -3 - (-8)

Distance between points W and X = -3 + 8 = 5

Distance between points X and Y = 1 - (-3)

Distance between points X and Y = 1 + 3 = 4; (4 < 5)

Distance between points X and Z = 5 - (-3)

Distance between points X and Z = 5 + 3 = 8; (8 > 5)

Distance between points Y and Z = 5 - 1

Distance between points Y and Z = 4; (4 < 5).

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Missing information:

The question is incomplete and the complete question is shown in the attached picture.

Use the image to determine the direction and angle of rotation.

graph of triangle ABC in quadrant 4 and a second polygon A prime B prime C prime in quadrant 2

90° clockwise rotation
90° counterclockwise rotation
180° clockwise rotation
270° counterclockwise rotation

Answers

The angle of rotation for the described transformation is

180° clockwise rotation

How to know the angle of rotation

The movement or transformation described is form quadrant 4 to quadrant  2.

The transformation will require 180 degrees transformation.

In this type of transformation, both clockwise and the counter clockwise have similar effects

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Now you try on your own.

Kelly wants to build a new wardrobe for herself with only clothing pieces she loves, fit her well, and coordinate together. She already has most of the pieces she will use, but needs to save up to go shopping for the remaining items. She has already saved some money from her job, and she decides to set aside money weekly from her tips. The expression $25w+$65
represents the amount of money Kelly will have saved after some amount of weeks. What does each part of this expression represent?

$25=
Answer


w=
Answer


$65=
Answer


For this specific expression, would it make sense to plug in a negative number for w
? Answer


For this specific expression, would you ever expect to get a number less than 65
for your total amount saved?

Answers

The Interpretatiom of the equation is that;

w represents number of weeks she will have saved for the remaining items

$25 represents the amount she saves per week

$65 represents the amount she has already saved

How to solve algebra word problems?

The algebra word problem can be solved by using variables to denote certain parameters I'm the question.

The general form of equation of a line in slope intercept form is;

y = mx + c

Where;

m is slope

c is y-intercept

We are given the equation:

$25w + $65

This equation represents the amount of money Kelly will have saved after some amount of weeks.

Thus;

w represents number of weeks she will have saved for the remaining items

$25 represents the amount she saves per week

$65 represents the amount she has already saved

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Which similarity statement is true for rectangles JKLM and PQRS, given that JK=6, JM=5, QR=15, and PQ=12.5? A. rectangle JKLM ~ rectangle PQRS B. rectangle JKLM ~ rectangle QRSP C. rectangle JKLM ~ rectangle RQPS D.rectangle JKLM~ rectangle SRQP​

Answers

Answer:

B: rectangle JKLM ~ rectangle QRSP

Step-by-step explanation:

5/6=0.83

12.5=0.83

JK corresponds to QR

JM corresponds to PQ

rectangle JKLM ~ rectangle QRSP

Which graph represents the linear equation y = −4x − 3?
a graph of a line that passes through the points negative 2 comma 2 and 0 comma negative 4 a graph of a line that passes through the points negative 4 comma negative 2 and 0 comma negative 3 a graph of a line that passes through the points negative 1 comma 1 and negative 3 comma 0 a graph of a line that passes through the points negative 4 comma 0 and negative 3 comma negative 4

Answers

The correct graph representing the linear equation y = -4x - 3 is the graph that passes through the points (-4, 0) and (-3, -4).

To determine which graph represents the linear equation y = -4x - 3, let's examine the given options:

A graph of a line that passes through the points (-2, 2) and (0, -4)

A graph of a line that passes through the points (-4, -2) and (0, -3)

A graph of a line that passes through the points (-1, 1) and (-3, 0)

A graph of a line that passes through the points (-4, 0) and (-3, -4)

To identify the correct graph, we need to find the slope-intercept form of the equation, which is y = mx + b, where m represents the slope and b represents the y-intercept.

In the given equation y = -4x - 3, we can see that the slope is -4 and the y-intercept is -3.

Now, let's examine the options one by one:

The slope of the line passing through (-2, 2) and (0, -4) can be calculated as (change in y)/(change in x) = (2 - (-4))/(-2 - 0) = -6/-2 = 3. Since the slope is not -4, this graph does not represent the given equation.

The slope of the line passing through (-4, -2) and (0, -3) can be calculated as (change in y)/(change in x) = (-2 - (-3))/(-4 - 0) = 1/-4 = -1/4. Since the slope is not -4, this graph does not represent the given equation.

The slope of the line passing through (-1, 1) and (-3, 0) can be calculated as (change in y)/(change in x) = (1 - 0)/(-1 - (-3)) = 1/2. Since the slope is not -4, this graph does not represent the given equation.

The slope of the line passing through (-4, 0) and (-3, -4) can be calculated as (change in y)/(change in x) = (0 - (-4))/(-4 - (-3)) = 4/-1 = -4. Since the slope is -4, this graph represents the given equation.

Therefore, the correct graph representing the linear equation y = -4x - 3 is the graph that passes through the points (-4, 0) and (-3, -4).

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The position of a 53 g oscillating mass is given by x(t)=(1.6cm)cos10t, where t is in seconds. Determine the period.
Express your answer in seconds.

Answers

The period of the oscillating mass is π/5 seconds.

To determine the period of the oscillating mass, we need to identify the coefficient of the 't' term in the given equation.

In the equation x(t) = (1.6 cm) cos(10t), we can see that the coefficient of 't' is 10.

The period (T) of an oscillating function can be found using the formula T = 2π/ω,

where ω represents the angular frequency.

In this case, the angular frequency (ω) is equal to the coefficient of 't', which is 10.

Therefore, we can calculate the period as follows:

T = 2π/10

= π/5.

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Write (i-1)^(i+1) as a+bi.

Answers

The rectangular form of the power of the complex number is equal to - 0.095 + i 10.546.

How to find the rectangular form of the power of a complex number

In this problem we must determine the rectangular form, that is, a number of the form a + i b, where a, b are both real numbers, of the power of a complex number, whose exponent is also a complex number. This can be done by complex number properties. First, write the entire number:

[tex](i - 1)^{i + 1}[/tex]

Second, use the De Moivre's formula:

√2 · [cos [(i + 1) · 3π / 4] + i sin [(i + 1) · 3π / 4]]

√2 · [cos (i 3π / 4 + 3π / 4) + i sin (i 3π / 4 + 3π / 4)]

Third, expand the trigonometric functions:

√2 · cos (3π / 4) · cos (i 3π / 4)  - √2 · sin (3π / 4) · sin (i 3π / 4) + i √2 · sin (3π / 4) · cos (i 3π / 4) + i √2 · cos (3π / 4) · sin (i 3π / 4)

- cos (i 3π / 4) + sin (i 3π / 4) + i cos (i 3π / 4) - i sin (i 3π / 4)

Fourth, eliminate the imaginary term within the trigonometric functions:

- cosh (3π / 4) + i sinh (3π / 4) + i cosh (3π / 4) - i² sinh (3π / 4)

[- cosh (3π / 4) + sinh (3π / 4)] + i [sinh (3π / 4) + cosh (3π / 4)]

(- 5.321 + 5.226) + i (5.226 + 5.321)

- 0.095 + i 10.546

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A physical therapist is working with a 57-year-old cardiac patient who is recovering from surgery.
The patient’s exercise goal for this week is moderate intensity with a target heart rate of 50% to
70% percent. The target heart rate is based on the patient’s maximum heart rate, which is calculated
by subtracting the patient’s age from 220.
What is the range for the patient’s target heart rate? Round to the nearest whole number.

Answers

The range for the patient's target heart rate, based on a moderate exercise goal and a maximum heart rate calculated by subtracting the patient's age from 220, is approximately 82 to 114 beats per minute.

To calculate the range for the patient's target heart rate, we need to determine the minimum and maximum target heart rates based on the patient's age.

The patient's maximum heart rate can be calculated by subtracting the patient's age from 220. In this case, the patient is 57 years old.

Maximum Heart Rate = 220 - Age

Maximum Heart Rate = 220 - 57

Maximum Heart Rate = 163

The target heart rate range is typically expressed as a percentage of the maximum heart rate. In this case, the patient's target heart rate range is 50% to 70% of the maximum heart rate.

Minimum Target Heart Rate = 50% of Maximum Heart Rate

Minimum Target Heart Rate = 0.50 * 163

Minimum Target Heart Rate ≈ 81.5

Maximum Target Heart Rate = 70% of Maximum Heart Rate

Maximum Target Heart Rate = 0.70 * 163

Maximum Target Heart Rate ≈ 114.1

Rounding these values to the nearest whole number, the range for the patient's target heart rate is approximately 82 to 114 beats per minute.

Therefore, the range for the patient's target heart rate is 82 to 114 beats per minute.

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