Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 1 - Equations and Inequalities - 1.1 Linear Equations - 1.1 Exercises: 68

Answer

$-128.92°F$

Work Step by Step

The formula to convert from C to F is: $F = \frac{9}{5}C + 32$ Lets replace C by -89.4: $F = \frac{9}{5} \times(-89.4) + 32 = 160.92 + 32 = -128.92$ $-128.92°F$
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