Use the given vectors to find the specified scalar. u = 9i - 6j, v = -8i - 9j, w = -10i + 5j; Find u · (v + w). O -138 O 72 O -120 O -18
Use the given vectors to find the specified scalar. u = 9i - 6j, v = -8i - 9j, w = -10i + 5j; Find u · (v + w). O -138 O 72 O -120 O -18
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Transcribed Image Text:Use the given vectors to find the specified scalar.
u = 9i - 6j, v = -8i - 9j, w = -10i + 5j; Find u · (v + w).
O -138
O 72
O -120
O -18
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