Answer
49
Work Step by Step
You are given $\sqrt t$+2=9.Solve for t:
$\sqrt t$+2=9 -subtract 2 from both sides-
$\sqrt t$=7 -square both sides-
($\sqrt t$$)^{2}$=$7^{2}$
t=49
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 10 - Radical Expressions and Equations - 10-4 Solving Radical Equations - Practice and Problem-Solving Exercises - Page 636: 8
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