Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 3 - Equations and Problem Solving - 3.2 - Equations and Problem Solving - Problem Set 3.2: 50

Answer

$\frac{A}{l}$ - $\frac{2\pi r^{2}}{l}$ = w

Work Step by Step

Using the properties of equality we obtain: $A = lw + 2\pi r^{2}$ Subtract both sides by 2$\pi$$r^{2}$ A - 2$\pi$$r^{2}$ = lw Divide both sides by l $\frac{A}{l}$ - $\frac{2\pi r^{2}}{l}$= w
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