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A tennis ball is dropped from a height of 20 feet . After the ball hits the floor , it rebounds to 85% of its previous height . Write down a general formula for this sequence.
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A tennis ball is dropped from a height of 20 feet . After the ball hits the floor , it rebounds to 85% of its previous height . Write down a general formula for this sequence.

A tennis ball is dropped from a height of 20 feet . After the ball hits the floor-example-1
User Kostya
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1 Answer

4 votes

Answer:

Height is 15 feet

It rebounds 85% of its original height

.85*15=12.75 feet on 1st bounce

12.75*.85=10.8375 feet on the 2nd bounce

10.8375*.85=9.211875 feet on 3rd bounce

So your answer is 9.2 feet high.

Explanation:

User Dasmowenator
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