Solve the problem.For two sections of a circuit connected in series, the voltage is given by V = V1 + V2 and impedance by Z = Z1 + Z2. The current is given by I = V/Z. Calculate the voltage if
flows through a circuit with an impedance of 
A. 1.096 + 2.502i V
B. 0.395 - 2.502i V
C. 4.9166 + 16.599i V
D. 0.395 + 2.703i V
Answer: A
Mathematics
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Perform the indicated operation by hand.11 + 18.286
A. -7.286 B. 29.386 C. 7.286 D. 29.286
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Identify the group of terms as like or unlike.15z, -10z
A. Unlike B. Like
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Add. Simplify, if possible. +
A.
B.
C.
D.
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State the dimensions of the matrix.
A. 9 B. -5 C. 3 × 3 D. -5 × -5
Mathematics