Solve the problem.An airplane has an air speed of 550 miles per hour bearing N30°W. The wind velocity is 50 miles per hour in the direction N30°E. To the nearest tenth, what is the ground speed of the plane? What is its direction?
A. 552.3 mph; N24.8°W
B. 552.3 mph; N54.8°W
C. 576.6 mph; N25.7°W
D. 526.8 mph; N55.3°W
Answer: C
Mathematics
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A. 100 - 25i B. 75 - 100i C. 125 + 100i D. 100 + 25i
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A. 
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C. 
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