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salantis [7]
2 years ago
12

A dilation with a scale factor of 3. 5 and centered at the origin is applied to PQ¯¯¯¯¯ with endpoints P(2, 5) and Q(2, 1)

Mathematics
1 answer:
velikii [3]2 years ago
7 0

Answer: The answer is P'(7, 17.5) and Q'(7, 3.5).

Step-by-step explanation:  Given that a line segment PQ is dilated with a scale factor of 3.5 where origin is the centre of dilation.

The end points of segment PQ are P(2, 5) and Q(2, 1).

Therefore, after dilation, the coordinates of the end points become

Thus, the coordinates of P' are (7, 17.5) and the co-ordinates of Q' are (7, 3.5).

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The answer is x=4 hope it helps
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If the ratio of boys to girls is 3 : 11 and there are 66 girls in the play, how many students are boys?
iragen [17]

Answer:

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Step-by-step explanation:

boys/girls = 3/11 = b/66

3/11 = b/66

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3 years ago
Someone can help me Pleaseee
Morgarella [4.7K]

Answer:

a. Compressed f toward the x-axis, and then translated it left 4 units.

Step-by-step explanation:

General equation for this is:

 y = a√(x - h) + k

  • a is how much it's being compress or stretched
  • h is how much it's shifted in the x-direction
  • k is how much it's being shifted in the y-direction

We're given:

g(x) = 1/2√(x + 4)

g(x) = 1/2√(x - (-4))

My a-value is 1/2, so the original function f(x) is being compressed by 1/2 toward the x-axis.

My h value is -4 so it's being shifted by 4 units. It's shifted to the left because it's negative.

There is not k-value so nothing is shifted in the y-direction.

8 0
3 years ago
What are the factors of the expression x^2+x-20?
tatyana61 [14]

Answer:

(x-4)(x+5)

Step-by-step explanation:

Find 2 numbers knowing sum (1) and product (-20). To find them, factor pairs of (-20) --> (-2,10) (-4,5). This sum is 1=b. Then, these 2 numbers are: - 4 and 5. Y=(x-4) (x+5). Hope this helped :)

3 0
3 years ago
You have a 40% off coupon what will the price be of shoes that cost $45
blsea [12.9K]

Answer:

$27

Step-by-step explanation:

45x.40=18

45-18=27

8 0
4 years ago
Read 2 more answers
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