In a parallel circuit, R = 300 ê and C = 15 æF. Find Z when f = 60 Hz.
a. 152 /-60è ê
b. 176 /-30.4è ê
c. 348 /59.6è ê
d. 176 /59.6è ê
e. 348 /-59.6è ê
a. 152 /-60è ê
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Solve the given system of equations algebraically.x2 + y2 = 164x2 - y2 = 36
A. x = 10, y = 8; x = 8, y = 10; x = -10, y = -8; x = -8, y = -10 B. x = -10, y = -8; x = -8, y = -10 C. x = 10, y = -8; x = 10, y = 8 D. x = 10, y = 8; x = -10, y = 8; x = 10, y = -8; x = -10, y = -8
Solve the problem."If there is a choice that has a majority of the first-place votes in an election, then that choice should be the winner of the election." This fairness criterion is called the
A. independence of irrelevant alternatives criterion. B. Condorcet criterion. C. monotonicity criterion. D. majority criterion. E. none of these
Graph the function.f(x) = 
x
A. 
B. 
C. 
D. 
Simplify the radical expression. Assume that all variables represent nonnegative real numbers.(5
+ 
)(6
- 
)
A. 30t + 6
- 5
- 7
B. 30
+ 6
+ 5
+ 7
C. 30
+ 6
- 5
- 7
D. 30t + 6
+ 5
+ 7