Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.5 - Formulas and Problem Solving - Exercise Set: 31

Answer

-10 degrees Celsius

Work Step by Step

Use the conversion formula F = $\frac{9}{5}$C + 32 and substitute the value 14 for F: 14 = $\frac{9}{5}$C + 32 Solve for C: -18 = $\frac{9}{5}$C ($\frac{5}{9})(-18) = (\frac{9}{5}C)\frac{5}{9}$ -10 = C
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