Simplify the expression by combining like terms. 23.4y + 9.2 - 8.9y - 20.8
A. 15.5x - 11.6
B. 14.5x - 11.6
C. 14.5x + 11.6
D. 2.9x
Answer: B
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Subtract.5,878
A. 5,734 B. 5,646 C. 5,726 D. 734
The hyperbola shown in the calculator-generated graph was graphed in function mode with a square viewing window. What are the two functions y1 and y2 that were used to obtain the graph whose equation is given?
10
-10
A. y1 = 7
, y2 = -7
B. y1 = 7
, y2 = -7
C. y1 = 3
, y2 = -3
D. y1 = 7
, y2 = -7
Write the relationship as an equation or formula.According to Ohm's Law, the voltage, V, across an electric circuit, is equal to the current, I, flowing through the circuit, times the resistance of the circuit, R.
A. I = VR B. V = IR C. V = I + R D. R = V + I
Solve the problem.The formula Z = R sec ? gives the impedance Z (in ohms) in an ac circuit with resistance R (in ohms) and phase angle ? (in radians). Find the average value of Z for an 74.1-? resistor as ? ranges from ?/8 radians to ?/3 radians.
A. 135.3 ? B. 67.7 ? C. 129.1 ? D. 103.4 ?