Write the vector v in the form ai + bj, given its magnitude 
and the angle ? it makes with the positive x-axis.
= 13, ? = 180°
A. v = -13i
B. v = -13j
C. v = -13i - 13j
D. v = 13j
Answer: A
Mathematics
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- log8 y
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A. - 
B. - 
C. - 
D. - 
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, 
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