Solve the problem.In an electrical circuit, let V represent the electromagnetic force in volts at t seconds. Assume 
. Find the smallest positive value of t where 
for 
.
A. 
sec
B. 
sec
C. 
sec
D. 0 sec
Answer: B
Mathematics
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Solve the problem.The blade of a windshield wiper sweeps out an angle of 135° in one cycle. The base of the blade is 12 inches from the pivot point and the tip is 32 inches from the pivot point. What area does the wiper cover in one cycle? (Round to the nearest 0.1 square inch.)
A. 1041.8 in2 B. 1036.7 in2 C. 1105.3 in2 D. 948.3 in2
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Find the derivative of the function by using the rules of differentiation.
?
?
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Which of the lines in the picture are lines of symmetry of the given figure?
A. m B. l C. l, m, and n D. l and m
Mathematics
Convert the angle from degrees to radians. Express the answer as a multiple of ?.810°
A. 
B. - 
C. - 
D. 9?
Mathematics