47. ā -b = -8

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter1: Foundations
Section1.3: Add And Subtract Integers
Problem 1.76TI: Add: (a) 2+5 (b) 2+(5) .
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For 47, for two-dimensional vectors ⃗a and ⃗b , if

⃗a

= 2 and

⃗b

= 4, find

⃗a + ⃗b

for the given ⃗a ⋅ ⃗b .

52. Find angle BAC if A = (2,2, 2), B = (4,2, 1), and
C = (2,3, 1).
Transcribed Image Text:52. Find angle BAC if A = (2,2, 2), B = (4,2, 1), and C = (2,3, 1).
47. ā -b = -8
Transcribed Image Text:47. ā -b = -8
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