Simplify.73 - 6 ? 2 ? 3

A. 62
B. 402
C. 183
D. 37


Answer: D

Mathematics

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Solve.A pulsed electric voltage that contains a dc component of 2V is defined by where t is time (in ?s). Find a0 (if it is not zero), two nonzero cosine terms (if they exist), and two nonzero sine terms (if they exist) of the Fourier series for the time-dependent voltage.

A.  - 
B. 2 - 
C. 2 - 
D.  - 

Mathematics

Convert the degree measure to radians. Round to the nearest ten-thousandth.10.45°

A. 0.1216 B. 0.0912 C. 0.0581 D. 0.1824

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Graph the ellipse and label the center. +  = 1

A. C(8, 12)

B. C(8, -12)

C. C(-8, -12)

D. C(-8, 12)

Mathematics

Solve the problem.Suppose that a family has 5 children and that the probability of having a girl is . What is the probability of having at least three boys?

A. 0.1563 B. 0.3125 C. 0.4688 D. 0.5000

Mathematics