Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 5 - Number Theory and the Real Number System - 5.2 The Integers; Order of Operations - Exercise Set 5.2 - Page 271: 131

Answer

${{7}^{\circ }}\text{F}$

Work Step by Step

Consider the given table. From the table, the temperature at a wind speed of $10\,\text{mph}$for air temperature ${{15}^{\circ }}\text{F}$is ${{3}^{\circ }}\text{F}$. And, the temperature at a wind speed of $25\,\text{mph}$for air temperature ${{15}^{\circ }}\text{F}$is $-{{4}^{\circ }}\text{F}$. Difference between the temperatures is, $\begin{align} & \text{diff}=3-\left( -4 \right) \\ & =3+4 \\ & =7 \end{align}$
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