Answer
$y=\frac{520}{3}-x$
$A=x(\frac{520}{3}-x)$
Work Step by Step
$Perimeter=2(x+y)$
$\frac{1040}{3}=2(x+y)$
$\frac{\frac{1040}{3}}{2}=x+y$
$\frac{520}{3}=x+y$
$\frac{520}{3}-x=y$
$A=xy$
$A=x(\frac{520}{3}-x)$
Algebra and Trigonometry 10th Edition
by Larson, Ron
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
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