Subtract.53.82 - 34
A. 19.82
B. 19.92
C. 87.82
D. 20.32
Answer: A
Mathematics
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Solve.If the voltage, V, in an electric circuit is held constant, the current, I, is inversely proportional to the resistance, R. If the current is 180 milliamperes when the resistance is 3 ohms, find the current when the resistance is 18 ohms.
A. 30 milliamperes B. 1080 milliamperes C. 90 milliamperes D. 1074 milliamperes
Mathematics
Find the indicated matrix.Let A = [-2 2] and B = [1 0]. Find 2A + 3B.
A. [-4 4] B. [-3 4] C. [1 2] D. [-1 4]
Mathematics
Solve the equation.Let f(x) = 
- 7. Find all x for which f(x) = 9.3.
A. ? B. {-16.3, 16.3} C. {-16.3, 2.3} D. {-2.3, 2.3}
Mathematics
Find the distance between P and Q and the coordinates of the midpoint of the segment joining P and Q.
A. 5
; 
B. 3
; 
C. 3
; 
D. 3
; 
Mathematics