Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 9 - Section 9.1 - Solving Quadratic Equations by the Square Root Property - Exercise Set: 76

Answer

8 weeks

Work Step by Step

Substitute the given weight and solve for t. $W=3t^2$ Substitute the weight for W. $192=3t^2$ Divide both sides by 3. $192 \div3=3t^2\div3$ Simplify. $64=t^2$ Take the square root of each side. $\sqrt{64}=\sqrt{t^2}$ Simplify. $8=t$
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