Answer
$30$
Work Step by Step
Since $\textbf {u}=\langle 5,3 \rangle$ and $\textbf {v}=\langle 3,5 \rangle$,
${\textbf {u}\cdot\textbf {v}}=5(3)+3(5)=15+15=30$.
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 7 - Section 7.6 - Vectors: The Dot Product - 7.6 Problem Set - Page 411: 18
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