Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as an angle in [0,360°].

A. 12; 45°
B. 6; 45°
C. 6; 135°
D. 6; 225°


Answer: D

Mathematics

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A.

B.

C.

D.

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Solve the problem. Round rates to the nearest tenth of a percent as necessary, amounts to the nearest dollar, and time to the nearest day.A note with a face value of $7300 was discounted at 12%. If the discount was $657, find the length of the loan in days.

A. 270 days B. 300 days C. 274 days D. 240 days

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Perform the indicated operation and write the answer in lowest terms. + 

A.
B.
C.
D.

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