Solve the problem.The current (in amperes) in an inductor of constant inductance L (in henries) is given by  where V is the voltage (in volts) and t is the time (in seconds). Find a formula for i, if 

A. = L + C
B. =  + C
C. =  + C
D. =  + C


Answer: D

Mathematics

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Find the center and radius of the circle and sketch its graph.(x - 4)2 + (y + 4)2 = 7

A. (h, k) = (4, -4), r = 

B. (h, k) = (4, -4), r = 7

C. (h, k) = (-4, 4), r = 7

D. (h, k) = (-4, 4), r = 

Mathematics

Write an equivalent expression in exponential form.log25 5 = 

A.  5 = 25
B. 525 = 2
C. 251/2 = 5
D. 51/2 = 25

Mathematics

Solve the inequality.x2 + 12x + 35 > 0

A. (-5, ?) B. (-?, -7) C. (-7, -5) D. (-?, -7) or (-5, ?)

Mathematics

A saleswoman wants to visit eastern cities, New York City, Boston, Cleveland, and Washington, D.C. Driving distances are as shown in the figure below. What is the shortest trip starting in New York that visits each of these cities, if ? Find a solution using the brute-force method.

? ? __________ mi. Fill in the blank(s) with the appropriate word(s).

Mathematics