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dybincka [34]
4 years ago
9

SOMEONE HELP DO NOT UNDERSTAND

Mathematics
1 answer:
Leokris [45]4 years ago
4 0

Answer:

3/8

Step-by-step explanation:

There are 3 numbers less than 4 (1, 2, and 3), so the denominator would be 8 for the total number of possibilites and the numerator would be 3.

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4 years ago
Determine which of the transformations applied to Circle A could be used to prove Circle A is similar to Circle B. Select Yes or
Alenkinab [10]

Answer:

Step-by-step explanation:

Circle A has center (-2, 3)

Circle B has center (2, -2)

Circle A can be mapped to Circle A' by a translation:

Center         Rule of translation   New center

 (x, y)                 (x+4, y-5)

A(-2, 3)           A'(-2+4, 3-5)           A'(2, -2)

Circle A with radius r 1=2

Circle B with radius r 2=3

Scale factor= r 2/r 1 = 3/2 = 1.5

Since any two circles can be translated to have the same center, the dilation r2/r1 proves  the circles are similar where r1 and r2 are the radii of the circles.

The Circle A' and circle B both have center (2, -2). Then circle A' can be mapped to circle B by a dilation with center (2, -2) and a scale factor 3/2=1.5. So circle A and circle B are similar.

Therefore:  Translation right 4, down 5, and then a dilation of 1.5 is true.

                   Translation down 5, right 4, and then a dilation of 1.5 is true.

5 0
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