Solve the problem.If the voltage, V, in an electric circuit is held constant, then the current, I, is inversely proportional to the resistance, R. If the current is 200 milliamperes (mA) when the resistance is 5 ohms, find the current when the resistance is 20 ohms.

A. 800 mA
B. 796 mA
C. 50 mA
D. 250 mA


Answer: C

Mathematics

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Expand.(4x2 + 3)3

A. 64x3 + 144x2 + 108x + 27 B. 64x6 + 144x4 + 108x2 + 27 C. (16x4 + 24x2 + 9)3 D. 256x8 + 64x6 + 144x4 + 108x2 + 27

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Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 

A. (0, 8)
B.
C.
D. none

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Solve the following equation for x.det = -10

A. {-5} B. {-4} C. ? D. {4}

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Solve the problem.A certain area of forest is populated by two species of animals, which scientists refer to as A and B for simplicity. The forest supplies two kinds of food, referred to as F1 and F2. For one year, species A requires 1.3 units of F1 and 1.25 units of F2. Species B requires 2.3 units of F1 and 1.9 units of F2. The forest can normally supply at most 950 units of F1 and 494 units of F2 per year. What is the maximum total number of these animals that the forest can support?

A. 193 animals B. 380 animals C. 395 animals D. 1110 animals

Mathematics