Solve the variation problem.If the voltage V in an electric circuit is held constant, the current I is inversely proportional to the resistance R. If the current is 120 milliamperes when the resistance is 2 ohms, what is the current when the resistance is 12 ohms?
A. 720 milliamperes
B. 40 milliamperes
C. 714 milliamperes
D. 20 milliamperes
Answer: D
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Find the volume of the solid generated by revolving the region about the given line.The region in the second quadrant bounded above by the curve y = 9 - x2, below by the x-axis, and on the right by the y-axis, about the line x = 1
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Provide an appropriate response.Solve the following inequality and write the solution in symbolic and interval notation: 6 - 4x ? -10
Fill in the blank(s) with the appropriate word(s).
Find the center and radius of the circle whose graph is shown. Write the standard form of the equation of the circle.
A. r = 4; (h, k) = (2, 4); (x + 2)2 + (y + 4)2 = 16 B. r = 4; (h, k) = (2, 4); (x - 2)2 + (y - 4)2 = 16 C. r = 2; (h, k) = (2, 4); (x - 2)2 + (y - 4)2 = 4 D. r = 2; (h, k) = (2, 4); (x + 2)2 + (y + 4)2 = 4
Two sides of a right triangle ABC (C is the right angle) are given. Find the indicated trigonometric function of the given angle. Give exact answers with rational denominators.Find csc B when a = 9 and b = 7.
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