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?

A. 121 cm3 
B. 110 cm3
C. 364 cm3
D. 400 cm3


Answer: B

Mathematics

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Solve.When an object is dropped to the ground from a height of h meters, the time it takes for the object to reach the ground is given by the equation t = , where t is measured in seconds. If an object falls 122.5 meters before it hits the ground, find the time it took for the object to fall.

A. 25 seconds B. 6 seconds C. 5 seconds D. 8 seconds

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Find the value of the missing coordinate that makes the ordered pair a solution to the equation.2x + y = -11(x, -1)

A. (-5, -1) B. (-1, 0) C. (0, -1) D. (-1, -5)

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Find the average rate of change illustrated in the graph.   Time (in hours)

A. 2.5 miles per hour B. .2 miles per hour C. 5 miles per hour D. 25 miles per hour

Mathematics