Solve the problem.The volume V of a gas at constant temperature varies inversely as the pressure P on it. The volume of a gas is 
under a pressure of 
What will be its volume under a pressure of 40 kg/cm2? [Assume that the temperature remains constant].
A. 119 cm3
B. 132 cm3
C. 330 cm3
D. 367 cm3
Answer: B
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Solve the problem.If the voltage in an electric circuit is held constant, the current varies inversely as the resistance. If the current is 210 milliamperes (mA) when the resistance is 3 ohms, find the current when the resistance is 21 ohms.
A. 30 mA B. 90 mA C. 1463 mA D. 1470 mA
Use a calculator to find the acute angle ? (to the nearest tenth of a degree) that satisfies the equation.? = cos-1 (0.3998624)
A. 293.6° B. 23.6° C. 66.4° D. 113.6°
Write the indicated term of the binomial expansion.(3x - 2y)9; 7th term
A. 145,152x3y6 B. 48,384x6y3 C. -72,576x6y3 D. -72,576x3y7
Use a calculator to find a graphical solution to the equation. Express results to the nearest thousandth.x2 + 9x = -7
A. -0.86, -8.14 B. 0.72, -9.72 C. -5.36, -5.36 D. 8.14, 0.86