Use a graphing calculator to convert from rectangular to polar coordinates. Express the answer in radians, using the smallest possible positive angle.(9, 12) Express ? in thousandths of radians.
A. (21, 0.644)
B. (15, 0.848)
C. (15, 0.927)
D. (15, 0.644)
Answer: C
Mathematics
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A. True B. False
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Solve the system of equations.7x + 7y + z = 1x + 8y + 8z = 89x + y + 9z = 9
A. {(1, -1, 1)} B. {(0, 1, 0)} C. {(0, 0, 1)} D. {(-1, 1, 1)}
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Mathematics