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Afina-wow [57]
3 years ago
12

If you know the length of the pre-image is 9 feet long with the center of dilation as A and

Mathematics
1 answer:
Vladimir79 [104]3 years ago
8 0

27 feet

Step-by-step explanation:

dialating by a whole number makes that image bigger.... You take the original image and dilate everything by 3. The lengrh(9) times 3 equals 27

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A field has an area of 9/20 square mile. find the width of the fieldif the length is 10/9 mile long
marusya05 [52]

The answer is 12/15

7 0
3 years ago
Suppose a normal distribution has a mean of 62 and a standard deviation of
Alekssandra [29.7K]

The probability that a data value is between 54 and 66 is 81.9%

z score is used to determine by how many standard deviations the raw score is above or below the mean.

The z score is given by:

z = \frac{x-\mu}{\sigma} \\\\where\ x=raw\ score,\mu=mean,\sigma=standard\ deviation

Given that μ = 62, σ = 4

For x = 54:

z=\frac{54-62}{4}=-2

For x = 66:

z=\frac{66-62}{4}=1

P(54 < x < 66) = P(-2 < z < 1) = P(z < 1) - P(z < -2) = 0.8413 - 0.0228 = 81.9%

The probability that a data value is between 54 and 66 is 81.9%

Find out more on z score at: brainly.com/question/25638875

3 0
2 years ago
ANSWER PLEASE i need help i will mark brainliest
gladu [14]

Answer:

-63

Step-by-step explanation:

41 + 11 = 52

51 + 11 = 63

-63 + 51 = -11

4 0
3 years ago
Jack works after school. Each day he is paid a set amount, plus an hourly wage. Look at the table. Choose the linear function f
daser333 [38]

Answer:

A. f(x) = 10x + 8

Step-by-step explanation:

The equation in slope-intercept form, f(x) = mx + b, can be created to be used in finding Jack's pay. We need to find the slope (m) and the y-intercept (b) of the linear function.

Using two points (1, 18), and (1.5, 23), find the slope (m):

Slope (m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{23 - 18}{1.5 - 1} = \frac{5}{0.5} = 10

Find b, by substituting x = 1, f(x) = 18, and m = 10 into f(x) = mx + b.

18 = (10)(1) + b

18 = 10 + b

Subtract 10 from each side

18 - 10 = b

8 = b

b = 8

Substitute m = 10 and b = 8 into f(x) = mx + b.

✅Thus, the linear function that can be used to find Jack's pay would be:

f(x) = 10x + 8

7 0
3 years ago
Where does the graph of the line y = x - 2 intersect the x-axis?
Shkiper50 [21]

Answer:

Where does the graph of the line y = x - 2 intersect the x-axis?

O A. (0, 2)

O B. (2,0)

O C. (0, -2)

0 D. (-2, 0)

C. ( 0 , -2 )

Step-by-step explanation:

I hope this helps

Follow // Followback

3 0
3 years ago
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