The volume of a gas is inversely proportional to the pressure. If a pressure of 20 pounds per square inch corresponds to a volume of 45 cubic feet, what pressure is needed to produce a volume of 50...

The volume of a gas is inversely proportional to the pressure. If a pressure of 20 pounds per square inch corresponds to a volume of 45 cubic feet, what pressure is needed to produce a volume of 50...

Jacksons age was 2/5 of the age she will be in 20 years from now seven years ago. How old is jackson now?

Consecutive numbers

Find the vertex, equation of the axis of symmetry, and the y-y-intercept of y=x^2+4x+6

Make an equation for both of the girl and their amount of money.

This is a word problem from my book, just wondering if anyone can give some help! Thank you!

Simplify the expression, if possible. State the excluded values, if any. 5x-5/10x2-25x+15

the equation of a line with the same x-intercept as the line x-2y=5 and the same y-intercept as the line 5x-2y=8

x+y+z=2 x-2y-z=2 3x+2y+z=2

A bank loaned out $64,000, part of it at the rate of 15% per year and the rest at a rate of 8% per year. If the interest received was $7010, how much was loaned at 15%?

The equation of a line passing through (-1,-4) and perpendicular to y=3x-1

The equation of a line with the same x-intercept as the line 2x + 3y + 6 =0 and is parallel to the line 2x -5y-7=0

At a gourmet nut shop, nuts are sold in bulk. Cashews sell for $1.30 per pound and macadamia nuts sell for $8.45 per pound. Lee wishes to purchase 5 pounds of mixed nuts by mixing 3.5 pounds of cashews...

According to a study, each week the average elementary child spends 17 hours watching television, 2 hours reading books, and 10 hours playing outside. What is the ratio of number of hours...

Tommy likes to run up and down an "up" escalator. Going up he can cover 30 steps in 6 seconds. Going down, it takes him 15 seconds to cover 30 steps. Find Tommy's rate (in steps per second)...

A boat travels 45 mi upstream (against the current) in 5 hours.The boat travels the same distance downstream in 3 hours. What is the rate of the boat in still water? What is the rate of the current...

each of 4 people orders an $8 lunch. How much do the lunches cost? Write and solve an equation.

If i can be shown how to do it step by step that would be nice too 1. The price of admission to an amusement park is $45 for adults and $15 for children. A group of six people [A+C=6]...

determine the equation of a line passing through (2,6) and parallel to the line 2x + 3y = 12

g(x)= x^2-4 ------------ x^2-3x-10 A. 2 B. -2 C. 5 D. 1 E. None of the above

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