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Mathematics 7 Online
OpenStudy (anonymous):

2 Pre-Calc Question: Fan + Medal 1) Evaluate the expression: v ⋅ w Given the vectors: r = <5, -5, -2>; v = <2, -8, -8>; w = <-2, 6, -5> 2)Find the angle between the given vectors to the nearest tenth of a degree. u = <6, -1>, v = <7, -4>

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