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15. Given vectors = -7i + 4j and w = 2i – j a.) Find the magnitude of vector D b.) Find the quantity: c.) Find the dot product: 2v – 3w d.) Find the angle between the vectors v and w (Round to 1 decimal place.)

15. Given vectors = -7i + 4j and w = 2i – j a.) Find the magnitude of vector D b.) Find the quantity: c.) Find the dot product: 2v – 3w d.) Find the angle between the vectors v and w (Round to 1 decimal place.)

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.3: Vectors
Problem 35E
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15. Given vectors = -7i + 4j and w = 2i – j a.) Find the magnitude of vector D b.) Find the quantity: c.) Find the dot product: 2v – 3w d.) Find the angle between the vectors v and w (Round to 1 decimal place.)
Transcribed Image Text:15. Given vectors = -7i + 4j and w = 2i – j a.) Find the magnitude of vector D b.) Find the quantity: c.) Find the dot product: 2v – 3w d.) Find the angle between the vectors v and w (Round to 1 decimal place.)
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