Answer
$13$
Work Step by Step
$\textbf {U}\cdot\textbf {V}=7(3)+2(-4)=21-8=13$
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 412: 51
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