drock110 drock110

21-06-2020
Mathematics

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A marble dropped in still water will create circular ripples or waves. The radius of each circular wave will increase 4
centimeters per second. What is the circumference of the circle after t seconds?

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mhanifa mhanifa

21-06-2020

Answer:

C + 8πt

Step-by-step explanation:

C= 2πr

Ct= 2π(r+4t)= 2πr+ 8πt= C + 8πt

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