Make the required change in the given equation.z = 3 to spherical coordinates
A. z = 3
B. ? cos ? = 3
C. ? = 0
D. x2 + y2 = 3
Answer: B
Mathematics
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Replace the polar equation with an equivalent Cartesian equation.r2 = 36r cos ? - 6r sin ? - 9
A. (x - 18)2 + (y + 3)2 = 9 B. (x - 18)2 + (y + 3)2 = 324 C. 36x - 6y = 9 D. (x + 36)2 + (y - 6)2 = 9
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If a survey determined that the "average" football player in the NFL was a black male, what kind of average is this?
A. mean B. median C. mode D. midrange
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Factor by grouping.15x2 - 29xy + 12y2
A. (5x - 3y)(3x - 4y) B. (5x + 3y)(3x - 4y) C. (15x - 3y)(x - 4y) D. (5x - 3)(3x - 4)
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Convert the angle from degrees to radians. Express the answer as a multiple of ?.390°
A. 
B. 
C. 
D. 
Mathematics