Divide.-6i ÷ (-10 + 2i)

A.  + i
B. -  + i
C.  + i
D. -  + i


Answer: B

Mathematics

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Solve the logarithmic equation symbolically.log x8 = 3 + 6 log x

A. x = 109/8
B. x = 103/2
C. x = 8109
D. x = 

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Given the matrices A and B, find the matrix product AB.A =  , B =   Find AB.

A.

B. AB is not defined.
C.

D.

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A fair coin is tossed 150 times. Find the probability of observing exactly 75 heads.

A. 0.067 B. 0.0067 C. 0.796 D. 0.0651 E. none of these

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