Solve the problem.The voltage V induced in an inductor in an electric circuit is given by V = L(d2q/dt2), where L is the inductance (in H). Find the expression for the voltage induced in a 12-H inductor if 
A. - 
B. - 
C. - 
D. - 
Answer: D
Mathematics
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Find the foci of the ellipse.
+ 
= 1
A. (2, -2+ 
), (2, -2 - 
)
B. (- 
, -2), (
, -2)
C. (-2, -2), (6, -2)
D. (2 + 
, -2), (2 - 
, -2)
Mathematics
Solve the problem.The side of an equilateral triangle is 
shorter than the side of a square. The perimeter of the square is 
more than the perimeter of the triangle. Find the length of a side of the square.
A. 26 inches B. 27 inches C. 22 inches D. 25 inches
Mathematics
Provide an appropriate response.
How many students are older than 35 years old? 
A. 6 B. 4 C. 2 D. 8
Mathematics
Simplify the rational expression.
A. 
B. 
C. 
D. 
Mathematics