Answer
D. $E=IR$
Work Step by Step
We are given the formula $I=\frac{E}{R}$.
Multiply both sides of the formula by $R$.
$IR=\frac{E}{R}\times E$
$E=IR$
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
Published by
Pearson
ISBN 10:
0321969359
ISBN 13:
978-0-32196-935-4
Chapter 6 - Section 6.5 - Applications of Rational Expressions - 6.5 Exercises - Page 406: 4
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