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OpenStudy (anonymous):
Let v = (5,-2) and w = (4,10). Which of the following is true? Check all that apply. v x w = 20 The y-component of w is 10. v and w are perpendicular. w = -2(-2,-5)
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OpenStudy (anonymous):
i know b is an answer and i know c cannot be an answer. Im not sure about a or d though
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