Solve the problem.Use the formula Zt = 
to find the total impedance in a parallel circuit for 
and 
A. 2.6(cos 324.4° + i sin 324.4°)
B. 2.6(cos 322.1° + i sin 322.1°)
C. 2.6(cos 317.4° + i sin 317.4°)
D. 2.6(cos 318.1° + i sin 318.1)
Answer: B
Mathematics
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Solve for x and y: x + 2y = 4; 2x - y = 4
a.
b.
c.
d.
e.
Mathematics
Convert to Fahrenheit. Use the formula F = 
C + 32 or F = 1.8C + 32. Round your answer to the nearest tenth if necessary.40°C
A. 54.0°F B. 78.4°F C. 129.6°F D. 104°F
Mathematics
Graph the polynomial function. f(x) = -2x(x - 2)2 
A. 
B. 
C. 
D. 
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Solve the problem.The graph shows the relationship between current I and resistance R if the voltage is fixed. Find the current if the resistance is 1.0 ?.
A. 3.6 A B. 3.8 A C. 4.0 A D. 4.2 A
Mathematics