Solve the problem.Ohm's law relates the current in a circuit, I, in amperes, the voltage of the circuit, V, in volts, and the impedance of the circuit, Z, in ohms, by the formula 
Find V, the voltage of a circuit, if I = (18 + i) amperes and Z = (2 + 3i) ohms.
A. (33 - 56i) volts
B. (33 + 56i) volts
C. (-18 - 56i) volts
D. (-18 + 56i) volts
Answer: B
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Determine if the argument is valid or invalid. Give a reason to justify answer.If you eat well, you will be well.If you are well, you will be happy.? If you eat well, you will be happy.
A. Valid by the law of contraposition B. Invalid by fallacy of the converse C. Valid by the law of syllogism D. Invalid by fallacy of the inverse
A graph of y = f(x) follows. No formula for f is given. Graph the given equation.y = f(2x)
?
A. 
B. 
C. 
D. 
Find the equation of the hyperbola satisfying the given conditions.Asymptotes y = 
x, y = - 
x; one vertex (10, 0)
A. 
- 
= 10
B. 
- 
= 1
C. 
- 
= 900
D. 
- 
= 1
Triangle ABC is a right triangle with sides of lengths a, b, and c and a right angle at C. Find the indicated trigonometric function value of A. Rationalize denominators containing radicals.b = 
, c = 10; find tan A.
A. 
B. 
C. 
D. 