Divide.(6 + 3i) ÷ (5 + 2i)
A. -
i
B. -
i
C. -
i
D. +
i
Answer: D
Mathematics
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Rectangular coordinates of a point are given. Use a graphing utility in radian mode to find polar coordinates of the point.(6, 8) Express ? to three decimal places.
A. (10, 0.927) B. (14, 0.644) C. (10, 0.848) D. (10, 0.644)
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Convert the angle in radians to degrees.
A. 60° B. 1080° C. 15° D. 30°
Mathematics
Choose the most reasonable unit of measure.Area of a lake: 4 (mm2, cm2, m2, km2)
A. m2 B. cm2 C. km2 D. mm2
Mathematics
Determine the equation of the given line, as well as the slope of the line. If the slope is undefined, state this.
A. y = x - 8, m = 1 B. y = -4, m = 0 C. x = -4, m = 0 D. y = x - 4, m: undefined
Mathematics