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First, simplify the brackets. / Your problem should look like:
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Second, simplify. / Your problem should look like:
Answer as fraction:
Answer as decimal: 0.8462
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Answer:
Move the center of circle A to (1,7), then multiply its radius by 3.
Step-by-step explanation:
Moving the circles to the same center would make them concentric. Then, by multiplying the radius of Circle A by 3, the circle is dilated to the exact size of circle B, since its radius is 9. This shows that Circle B is proportional to Circle A, thus they are similar.
Answer:
C is correct I think.
Step-by-step explanation:
Tell me if I am right.
Have a nice day!