College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter R - Section R.2 - Algebra Essentials - R.2 Assess Your Understanding: 74

Answer

$-20^oC$

Work Step by Step

Substitute the given temperature value for $F$ in the given formula to obtain: $\require{cancel} C = \frac{5}{9}(-4-32) \\C=\frac{5}{9}(-36) \\C=\frac{5}{\cancel{9}}(\cancel{-36}-4) \\C=-20$ Thus, $-4^oF = -20^oC$
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