Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - 1.1 - Graphs of Equations - 1.1 Exercises - Page 79: 75b


$y=\frac{520}{3}-x$ $A=x(\frac{520}{3}-x)$

Work Step by Step

$Perimeter=2(x+y)$ $\frac{1040}{3}=2(x+y)$ $\frac{\frac{1040}{3}}{2}=x+y$ $\frac{520}{3}=x+y$ $\frac{520}{3}-x=y$ $A=xy$ $A=x(\frac{520}{3}-x)$
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