Answer
$25°C$
Work Step by Step
The formula to convert from F to C is:
$C = \frac{5}{9}(F-32)$
Lets replace F by 77:
$C = \frac{5}{9}(77-32) = \frac{5}{9}\times45 =25$
$25°C$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
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 - Page 94: 64
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