Solve the problem.When the temperature stays the same, the volume of a gas is inversely proportional to the pressure of the gas. If a balloon is filled with 147 cubic inches of a gas at a pressure of 14 pounds per square inch, find the new pressure of the gas if the volume is decreased to 21 cubic inches.

A.  psi
B. 84 psi
C. 91 psi
D. 98 psi


Answer: D

Mathematics

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?Which of the following does not describe a viable method to find the sum 3 + (-4)?

A.

?Let p = positive unit, and n = negative unit.   + --> four p's and four n's eliminate each other. Answer = n.


B.

?Let p  = positive unit, and n = negative unit.  + --> Answer is 3p + 4n.


C.

?On a number line, start at +3 and move left 4 units. You arrive at -1.


D.

?On a number line, combining +3 - 4 will result in the same answer as 3 + (-4).


E.

?On a number line, combing -4 + 3 will result in the same answer of 3 + (-4).


Mathematics

A. {(-4, -2)} B. {(-2, -4)} C. {(-4, 2)} D. no solution; ?

Mathematics

Provide an appropriate response.Given that n(P) = 10 and P ? Q , what is the least number of elements that set Q can have? Is there a maximum limit on the number of elements that set Q can have?

Fill in the blank(s) with the appropriate word(s).

Mathematics

Solve the problem using the quadratic formula.Sue rowed her boat across Lake Bend and back in 3 hours. If her rate returning was 2 mph less than the rate going, and if the distance each way was 7 miles, find her rate going.

A. 5.5 mph B. 3.7 mph C. 5.9 mph D. 1.5 mph

Mathematics