Solve.For a resistor in a direct current circuit that does not vary its resistance, the power that a resistor must dissipate is directly proportional to the square of the voltage across the resistor. The resistor must dissipate  watt of power when the voltage across the resistor is 13 volts. Find the power that the resistor must dissipate when the voltage across it is 26 volts.

A.  watts
B.  watt
C.  watt
D.  watt


Answer: B

Mathematics

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Solve the equation.- x = 0

A. x = 1 B. x = -13 C. x = 13 D. x = 0

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Divide.(4r3 - 3r2 - 8r - 4) ÷ (r - 2)

A. 4r2 + 5r + 
B. 4r2 + 5r + 2
C. r2 + 2r + 5
D. 4r2 - 5r - 2

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Solve the compound inequality. Graph the solution set and write the solution in interval notation.x ? 1 and x ? -2

A. (-?, -2] ? [1, ?)

B. (-?, -2]

C. [-2, ?)

D. [-2, 1]

Mathematics

Indicate whether the number is prime or composite.40

A. Prime B. Composite

Mathematics