If a snowball melts so that its surface area decreases at a rate of 2 cm2/min, find the rate at which the diameter decreases when the diameter is 15 cm O A. 1 cm/min 20 л B. 2 cm/min 17π OC. -2 cm/min 15 л OD. 1 cm/min 15 л E. None of these

If a snowball melts so that its surface area decreases at a rate of 2 cm2/min, find the rate at which the diameter decreases when the diameter is 15 cm O A. 1 cm/min 20 л B. 2 cm/min 17π OC. -2 cm/min 15 л OD. 1 cm/min 15 л E. None of these

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter12: Quadratic Functions

Section12.6: Solving Problems Involving Quadratic Equations

Problem 1.3E

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Question

If a snowball melts so that its surface area
decreases at a rate of
2 cm2/min, find the rate at
which the diameter decreases when the diameter is
15 cm.
O A.
1
cm/min
20 л
B.
2
cm/min
17π
OC.
-2
cm/min
15 л
OD. 1
cm/min
15 л
E. None of these

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