Simplify. Assume that variables represent positive real numbers.
A. y6
B. x3 y3
C. x y3
D. x y6
Answer: C
Mathematics
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Solve.The equation ?2 = tan-1 (?C/G) gives the phase angle of impedance in the parallel portion of a distributed constant circuit. Find ?2 if 
, C = 0.09 ?F/km, and 
A. 85.9° B. 1.5° C. 88.5° D. 89.4°
Mathematics
Provide an appropriate response.How many square roots does any negative number have?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the equation.-27 = 20 + c
A. c = -7 B. c = 47 C. c = -47 D. c = 7
Mathematics
Find the cube root of the number. Approximate the answer to the nearest hundredth whenever appropriate.27x9
A. 27x6 B. 3x3 C. 27x3 D. 3x6
Mathematics