Quadrilateral A^ prime B^ prime C^ prime D^ prime is the image of quadrilateral ABCD under a dilation. What is the scale factor of the dilation?

the Correct option of  coordinates of polygon A′B′C′D′ if polygon ABCD is rotated 90° counterclockwise is A.

In arithmetic, what is a polygon?

A polygon is a closed, two-dimensional, flat or planar structure that is circumscribed by straight sides. There are no curves on its sides. Polygonal edges are another name for the sides of a polygon. A polygon's vertices (or corners) are the places where two sides converge.

To determine the coordinates of polygon A′B′C′D′, we need to rotate each vertex of polygon ABCD 90° counterclockwise.

We can do this by using the following formulas for a 90° counterclockwise rotation of a point (x, y):

x' = -y

y' = x

Using these formulas, we can find the coordinates of each vertex of polygon A′B′C′D′ as follows:

A′(0, 0): Since (0, 0) is the origin, a 90° counterclockwise rotation will still result in (0, 0).

B′(-2, 5): To rotate the point (5, 2) 90° counterclockwise, we have x' = -y = -2 and y' = x = 5. So, B′ is (-2, 5).

C′(5, 5): To rotate the point (5, -5) 90° counterclockwise, we have x' = -y = 5 and y' = x = 5. So, C′ is (5, 5).

D′(3, 0): To rotate the point (0, -3) 90° counterclockwise, we have x' = -y = 0 and y' = x = 3. So, D′ is (3, 0).

Therefore, the coordinates of polygon A′B′C′D′ are A′(0, 0), B′(-2, 5), C′(5, 5), and D′(3, 0).

So, the answer is A) A′(0, 0), B′(−2, 5), C′(5, 5), D′(3, 0).

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Answer:

i need the answer

Step-by-step explanation:

Answer: 48,000

Step-by-step explanation:

The most conservative cutover method when converting to a new system is the Phased Cutover.

This method allows for the implementation of the new system in multiple stages, thereby reducing risk. First, the new system is installed and tested. Next, a small portion of data is moved to the new system.

After data is moved, the new system is tested again. This process is repeated until all data has been moved and tested, and the new system is running smoothly.

Once the new system is running successfully, the old system is discontinued.

The phased cutover method ensures that the new system is functioning correctly, and gives time for system users to get used to the new system, before the old system is turned off.

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The mechanic worked for 5.5 hours to install the new water pump.

Let's assume the mechanic worked for "x" hours to install the water pump.

The cost of the repair work will include the cost of the water pump as well as the labor charges.

The cost of the water pump is given as $249.98.

The labor charges can be calculated by multiplying the hourly rate by the number of hours worked.

So, the labor charges will be $109 multiplied by "x" hours, which is $109x.

Adding the cost of the water pump to the labor charges will give us the total cost of the repair work.

Therefore, we can write the equation as:

$849.48 = $109x + $249.98

Simplifying the equation, we get:

$599.50 = $109x

Dividing both sides by $109, we get:

x = 5.5

Therefore, the mechanic worked for 5.5 hours to install the new water pump.

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x^2=37 ===》 x = + radical 37( acceptable )

===》 x = - radical 37(unacceptable)

Answer:

n/4 - 3

Step-by-step explanation:

Let's "break" the statement in simpler parts:

First, we start with a number n.

Now, we need to find one fourth of that number, that is:

(1/4)*n = n/4

And finally, we need to subtract 3 from that, then we get:

n/4 - 3

So the statement:

"Emily is thinking of a number she calls it n then she finds 1 fourth of it and subtracts 3"

Can be written as:

n/4 - 3

Answer:

1/7

Step-by-step explanation:

There are seven people in all on person will arrive at a different time than others. Every single one of them arrives at different times so it's 1/7

Answer:

Step-by-step explanation:

The general equation we use for ballistic motion is ...

  \(h(t)=\frac{1}{2}gt^2+v_0t+h_0\)

where g is the acceleration due to gravity, v₀ is the initial upward velocity, and h₀ is the initial height.

The values of g commonly used are -32 ft/s², or -4.9 m/s². Units are consistent when the former is used with velocity in ft/s and height in feet. The latter is used when velocity is in m/s, and height is in meters.

_____

Dwayne throws a ball with an initial velocity of 73 feet/second. Dwayne holds the ball 5 feet off the ground before throwing it. (h = -16t^2 + 73t + 5)

A watermelon falls from a height of 5 feet to splatter on the ground below. (h = -16t^2 + 5)

Marcella shoots a foam dart at a target. She holds the dart gun 1.5 meters off the ground before firing. The dart leaves the gun traveling 73 meters/second. (h = -4.9t^2 + 73t + 1.5)

Greg drops a life raft off the side of a boat 1.5 meters above the water. (h = -4.9t^2 + 1.5)

_____

Additional comment on these scenarios

The dart and ball are described as being launched at 73 units per second. Generally, we expect launches of these kinds of objects to have a significant horizontal component. However, these equations are only for vertical motion, so we must assume the launches are straight up (or that the up-directed component of motion is 73 units/second).

\(\sf x= -20.5\) or \(-\dfrac{41}{2}\).

\(\sf 6(x - 7) = 10(x + 4)\)

\(\sf (6)(x)-(6)(7)=(10)(x)+(10)(4) \\\\6x-42=10x+40\)

\(\sf 6x-42+42=10x+40+42\\ \\6x=10x+82\)

\(\sf 6x-10x=10x+82-10x\\ \\-4x=82\)

\(\sf \dfrac{-4x}{-4} =\dfrac{82}{-4} \\ \\x=-20.5\)

If the answer is correct, then substituting "x" for the calculate value "-20.5" should make the initial expression be true. Let's check it out:

\(\sf 6((-20.5) - 7) = 10((-20.5) + 4)\\ \\6(-27.5) = 10(-16.5)\\ \\-165=-165\)

The statement is true, therefore, "x= -20.5" is the correct answer.

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Given the function:

The given function is a linear function

The rate of change of the linear function = the slope of the function

The slope = the coefficient of x = -1/4

So, from the given options, you will select the function that has a slope that is greater than (-1/4)

Maclaurin series of `f(x)` is given by:f(x) = `f(0)` + `f'(0)x` + `(f''(0)/2!) x²` + `(f'''(0)/3!) x³` + `(f⁴(0)/4!) x⁴` + `(f⁵(0)/5!) x⁵` + `(f⁶(0)/6!) x⁶` = `0 + 0x + 0x² + 0x³ + 0x⁴ + 0x⁵ + (7200/6!)x⁶` = `10x⁶`

Answer: `10x⁶`.

The given function is `f(x) = x⁶ sin(10x⁵)`. We need to find the Taylor series of `f` centered at `0` (Maclaurin series of `f`).

Formula used: The Maclaurin series for `f(x)` is given by `f(x) = f(0) + f'(0)x + (f''(0)/2!)x^2 + (f'''(0)/3!)x^3 + ...... + (f^n(0)/n!)x^n`.

Here, `f(0) = 0` because `sin(0) = 0`.

Differentiating `f(x)` and its derivatives at `x = 0`:`f(x) = x⁶ sin(10x⁵)`

First derivative: `f'(x) = 6x⁵ sin(10x⁵) + 50x¹⁰ cos(10x⁵)`

Differentiate `f'(x)`

Second derivative: `f''(x) = 30x⁴ sin(10x⁵) + 200x⁹ cos(10x⁵) - 250x¹⁰ sin(10x⁵)`

Differentiate `f''(x)`

Third derivative: `f'''(x) = 120x³ sin(10x⁵) + 1800x⁸ cos(10x⁵) - 2500x⁹ sin(10x⁵) - 5000x²⁰ cos(10x⁵)`

Differentiate `f'''(x)`

Fourth derivative: `f⁴(x) = 360x² sin(10x⁵) + 7200x⁷ cos(10x⁵) - 22500x⁸ sin(10x⁵) - 100000x¹⁹ cos(10x⁵) + 100000x²⁰ sin(10x⁵)`

Differentiate `f⁴(x)`

Fifth derivative: `f⁵(x) = 720x sin(10x⁵) + 36000x⁶ cos(10x⁵) - 112500x⁷ sin(10x⁵) - 1900000x¹⁸ cos(10x⁵) + 2000000x¹⁹ sin(10x⁵)`

Differentiate `f⁵(x)`

Sixth derivative: `f⁶(x) = 7200 cos(10x⁵) - 562500x⁶ cos(10x⁵) + 13300000x¹⁷ sin(10x⁵)`

Evaluate at `x = 0`:

The derivatives of `f(x)` evaluated at `x = 0` are:f(0) = 0f'(0) = 0f''(0) = 0f'''(0) = 0f⁴(0) = 0f⁵(0) = 0f⁶(0) = 7200

Maclaurin series of `f(x)` is given by:f(x) = `f(0)` + `f'(0)x` + `(f''(0)/2!) x²` + `(f'''(0)/3!) x³` + `(f⁴(0)/4!) x⁴` + `(f⁵(0)/5!) x⁵` + `(f⁶(0)/6!) x⁶` = `0 + 0x + 0x² + 0x³ + 0x⁴ + 0x⁵ + (7200/6!)x⁶` = `10x⁶`

Answer: `10x⁶`.

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The transformations and their order  to the graph of y=2x to obtain the graph of y=-(4^x-3)+1 are:
1. Vertical shift: +3 units
2. Vertical reflection: over x-axis
3. Horizontal stretch: by a factor of 4
4. Horizontal translation: 1 unit to the left

To transform the graph of y=2x to the graph of y=-(4^x-3)+1, we need to apply a series of transformations in a specific order. Here are the steps:
1. Vertical shift:
  - The graph of y=2x is shifted upward by 3 units because of the "-3" in the equation y=-(4^x-3)+1.
  - The new equation becomes y=-(4^x)+1.
2. Vertical reflection:
  - The graph is reflected over the x-axis because of the negative sign in front of the entire equation.
  - The new equation becomes y=(4^x)-1.
3. Horizontal stretch:
  - The graph is horizontally stretched by a factor of 4 because of the "4" in the equation (4^x).
  - The new equation becomes y=4^(4x)-1.
4. Horizontal translation:
  - The graph is horizontally translated 1 unit to the left because of the "+1" in the equation y=4^(4x)-1.
  - The final equation is y=4^(4x-1)-1.
So, to transform the graph of y=2x to the graph of y=-(4^x-3)+1, we apply the following transformations in order: vertical shift, vertical reflection, horizontal stretch, and horizontal translation.

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The transformations and their order to obtain the graph of y = -(4^x - 3) + 1 from the graph of y = 2x are:  1. Subtract 3 from the y-values. 2. Apply a vertical compression or stretching with a base of 4. 3. Reflect the graph across the x-axis. 4. Add 1 to the y-values. By applying these transformations in the given order, we can obtain the desired graph.

To transform the graph of y = 2x to the graph of y = -(4^x - 3) + 1, we can follow these steps:

1. Horizontal Translation: Since there is no addition or subtraction term inside the brackets in the second equation, there is no horizontal translation. Therefore, we do not need to apply any horizontal shift.

2. Vertical Translation: In the second equation, we have a subtraction term outside the brackets. This means that the graph will be shifted downward by 3 units. To achieve this, we subtract 3 from the y-values of the original graph.

3. Vertical Stretch/Compression: The term 4^x in the second equation represents a vertical compression or stretching. Since the base is 4, the graph will be compressed or squeezed vertically. This means that the y-values will change more rapidly compared to the original graph.

4. Reflection: The negative sign in front of the brackets in the second equation reflects the graph across the x-axis. This means that the y-values will be flipped upside down.

5. Vertical Translation (again): Finally, there is a vertical translation of 1 unit added to the entire graph. To achieve this, we add 1 to the y-values.

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We move all terms to the left.

We add all the numbers and all the variables.

We move all terms containing x to the left hand side, all other terms to the right hand side.

Answer:

y=3/4x+5.2

Step-by-step explanation:

y2-y1/x2-x1

6.5-0.5-=6

2--6=2+6=8 (2 negatives make a positive)

6/8 (simplify)=3/4

crosses y at 5.2

Refer to the attachment! v

Answer:

f(x) = \(\frac{1}{4}x^{2}\)  > f(x) = -0.5x² > f(x) = x²

Step-by-step explanation:

In a quadratic function leading coefficient decides the width of a graph.

In simpler words, leading coefficient decides the vertical stretch of the graph.

Higher the value of leading coefficient, higher the vertical stretch.

When a graph is vertically stretched it becomes narrower.

(Note: Minus sign of the coefficient decides the opening of the graph, upwards or downwards)

Therefore, f(x) = x² having coefficient = 1 is the narrowest and f(x) = \(\frac{1}{4}x^{2}\) will be the widest.

So the descending order will be,

f(x) = \(\frac{1}{4}x^{2}\)  > f(x) = -0.5x² > f(x) = x²

If we draw a card from a standard deck of 52 cards, the probability that the card is a diamond and not a seven is 3/13 or 0.2308

The probability that the card is a diamond and not a seven can be calculated using the probability formula, which is:

Probability of an event preceding = Number of ways an event can occur / Total number of possible outcomes

Among these 13 diamond cards, seven are not included. Therefore, there are 13 - 1 = 12 diamond cards that are not sevens. The probability that the card is a diamond and not a seven is calculated as follows:

Probability = Number of ways an event can happen / Total number of possible outcomes = 12/52 = 3/13 (fraction) = 0.2308

Therefore, the probability that the card is a diamond and not a seven is 3/13 or 0.2308

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Answer:

42

Step-by-step explanation:

Answer:

about 19

Step-by-step explanation:

You would use pythagorgyan therom

a^2 + b^2 = C^2

12^2 + 15^2 = C^2

144 + 225 = C^2

find the square root of 369

19.209

The order from least to greatest negative four and seven tenths repeating, negative four and eight ninths, 490%, and −4.9 from least to greatest is; option A

four and seven tenths repeating

= 4.77777777

negative four and eight ninths

= -4 8/9

= -4.888888888888888

490%

= 490/100

= 4.9

−4.9

Rearranging from least to greatest (ascending order)

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Answer:

a

Step-by-step explanation:

hopethishelps

Answer:

10

Step-by-step explanation:

Answer:

f(x)=x^2

Step-by-step explanation:

Because it is a quadratic function this is the quadratic parent function.

Answer:

Step-by-step explanation:

The equation is y=x^2

If the average pain score after hypnotism is lower than the average pain score before hypnotism, it indicates that hypnotism is effective in reducing pain, on average.

To determine if the sensory measurements, on average, are lower after hypnotism, we need to analyze the data from the study. The table showing the results for randomly selected subjects can be used to calculate the mean scores for the group before and after hypnotism. If the mean score is lower after hypnotism, then we can conclude that hypnotism is effective in reducing pain. However, we need to ensure that the sample size is large enough and that the study was conducted properly to minimize any potential biases or confounding factors. Therefore, further investigation may be required before making any conclusive statements about the effectiveness of hypnotism in reducing pain. To investigate the effectiveness of hypnotism in reducing pain, we need to compare the sensory measurements before and after hypnotism. Here's a step-by-step explanation:
1. Obtain the data of randomly selected subjects' pain scores before and after hypnotism.
2. Calculate the average pain score for the subjects before hypnotism.
3. Calculate the average pain score for the subjects after hypnotism.
4. Compare the average pain scores before and after hypnotism.

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Answer:

y = -x+8

Step-by-step explanation:

Answer:

a. range: 4

b. 5 students

c. mean: 8

Step-by-step explanation:

range: subtract the smallest number from the largest number in the data.

10 - 6 = 4

students amount was counted by the number of marks given.

mean: add the data together. (40) divide the sum by the number of marks provided. (5)

40 divided by 5 equals 8

Answer:

4   244   8

Step-by-step explanation:

10 - 6 = 4 is the range

6x5 = 30   7x4 = 28  8x7 = 56 9x10 = 90 10x4 = 40 244 students

mean = 6+7+8+9+10 = 40/5 = 8