The length of a rectangle is increasing at a rate of 7cm/s and its width is increasing at a rate of 3cm/s. When the length is 40cm and the width is 20cm, how fast is the area of the rectangle increasing? Answer (in cm²/s):
The length of a rectangle is increasing at a rate of 7cm/s and its width is increasing at a rate of 3cm/s. When the length is 40cm and the width is 20cm, how fast is the area of the rectangle increasing? Answer (in cm²/s):
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
Chapter2: Working With Real Numbers
Section2.3: Rules For Addition
Problem 14P
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