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dmitriy555 [2]
3 years ago
7

Stephen was disappointed in his grade on a recent statistics test. He calculated his 2-score and found that it was 0.45. What pe

rcent of students scored below Stephen's score?​
Mathematics
1 answer:
grin007 [14]3 years ago
7 0
I would say 2 because it says he calculated his 2- score.
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So, since the polygons are similar, they will share a scale factor. 

The dilation is a reduction.

SF= preimage/image

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SF= 1.2

To find the value of x, multiply 20 by 1.2, so:

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Thus, x = 24

Now, to check if the sides are proportional (this will determine if the polygons are, in fact, similar.)

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BTW, the missing side measure for the image is 40 since 48 is its corresponding side, and 48/1.2 (SF) is 40.

Hence, we have 48/40= 1.2

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