<4, 10> is the sum of 2 vectors with components <-3, a> and <7,4>. What is a?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.3: Vectors
Problem 8E
Question
100%
<4, 10> is the sum of 2 vectors with components <-3, a> and
<7,4>. What is a?
Transcribed Image Text:<4, 10> is the sum of 2 vectors with components <-3, a> and <7,4>. What is a?
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