Determine the absolute value.

A. 73
B. 146
C. -73
D. 0


Answer: A

Mathematics

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Solve the problem. Round your answer, if appropriate.Boyle's law states that if the temperature of a gas remains constant, then PV = c, where , and c is a constant. Given a quantity of gas at constant temperature, if V is decreasing at a rate of 15 in. 3/sec, at what rate is P increasing when P = 70 lb/in.2 and V = 50 in.3? (Do not round your answer.)

A.  lb/in.2 per sec
B. 21 lb/in.2 per sec
C.  lb/in.2 per sec
D.  lb/in.2 per sec

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Solve the inequality. Express your answer using interval notation. Graph the solution set. > -2

A. (-?, -2) ? (2, ?)

B. [-2, ?)

C. (-2, 2)

D. (-?, ?)

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Find the radius of a circle if the diameter has the value given.d = 3 cm

A. 0.75 cm B. 1.5 cm C. 4.71 cm D. 7.07 cm

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Find the LCD of the list of fractions.

A. 18 B. 90 C. 30 D. 45

Mathematics