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OpenStudy (anonymous):
Let v = (5,-2) and w = (4,10). Which of the following is true? Check all that apply. A. v and w are perpendicular. B. The y-component of w is 10. C. v*w = 20 D. w = -2(-2,-5)
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OpenStudy (anonymous):
on second...
OpenStudy (zzr0ck3r):
\[v \cdot w=?\]
OpenStudy (anonymous):
I've gotten A, B, D...
OpenStudy (zzr0ck3r):
correct
OpenStudy (zzr0ck3r):
I don't think you need us anymore:)
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OpenStudy (anonymous):
I just like double checking! :)
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