Trigonometry 7th Edition

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: 9

Answer

$35$

Work Step by Step

${\langle 3,4 \rangle\cdot\langle 5,5 \rangle}=3(5)+4(5)=15+20=35$
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