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college algebra
Questions and Answers of
College Algebra
Solve the equation for the specified variable. (Assume all denominators are nonzero.)E/e = R + r/r, for e
Solve the equation for the specified variable. (Assume all denominators are nonzero.)1/R = 1/r1 + 1/r2, for R
Solve the equation for the specified variable. (Assume all denominators are nonzero.)m3/4 + n3/4 = 1, for m
Solve the equation for the specified variable. (Assume all denominators are nonzero.)x2/3 + y2/3 = a2/3, for y
Solve the equation for the specified variable. (Assume all denominators are nonzero.)d = k√h, for h
Solve the equation.625x-4 - 125x-2 + 4 = 0
Solve the equation.16x-4 - 65x-2 + 4 = 0
Solve the equation.2x -2/5 - x -1/5 - 1 = 0
Solve the equation.x -2/3 + x -1/3 - 6 = 0
Solve the equation.7x-2 - 10x-1 - 8 = 0
Solve the equation.10x-2 + 33x-1 - 7 = 0
Solve the equation.8(x - 4)4 - 10(x - 4)2 = -3
Solve the equation.6(x + 2)4 - 11(x + 2)2 = -4
Solve the equation.25(x - 5)4 - 116(x - 5)2 = -64
Solve the equation.4(x + 1)4 - 13(x + 1)2 = -9
Solve the equation.(x + 5)2/3 + (x + 5)1/3 - 20 = 0
Solve the equation.(x + 1)2/5 - 3(x + 1)1/5 + 2 = 0
Solve the equation.(2x - 1)2/3 + 2(2x - 1)1/3 - 3 = 0
Solve the equation.(x - 1)2/3 + (x - 1)1/3 - 12 = 0
Solve the equation.3x4 + 10x2 - 25 = 0
Solve the equation.x4 + 2x2 - 15 = 0
Solve the equation.4x4 - 8x2 + 3 = 0
Solve the following equation.2x4 - 7x2 + 5 = 0
Solve the following equation.3x3/4 = x1/2
Solve the following equation.x2/3 = 2x1/3
Solve the following equation.(x - 3)2/5 = (4x)1/5
Solve the following equation.(2x - 1)2/3 = x1/3
Solve the following equation.(3x + 7)1/3 - (4x + 2)1/3 = 0
Solve the following equation.(2x + 5)1/3 - (6x - 1)1/3 = 0
Solve the following equation.(x + 200)2/3 = 36
Solve the following equation.(x - 3)2/5 = 4
Solve the following equation.(3x2 + 52x)1/4 = 4
Solve the following equation.(x2 + 24x)1/4 = 3
Solve the following equation.x5/4 = 32
Solve the following equation.x3/2 = 125
Solve the following equation.4√x2 + 6x = 2
Solve the following equation.4√x2 + 2x = 4√3
Solve the following equation.4√3x + 1 = 1
Solve the following equation.4√x - 15 = 2
Solve the following equation.3√2x = 3√5x + 2
Solve the following equation.3√5x2 - 6x + 2 - 3√x = 0
Solve the following equation.3√2x = 3√5x + 2
Solve the following equation.3√4x + 3 = 3√2x - 1
Solve the following equation.√x + 2 = √4 + 7√x
Solve the following equation.3 - √x = √2√x - 3
Solve the following equation.√3√2x + 3 = √5x - 6
Solve the following equation.√2√7x + 2 = √3x + 2
Solve the following equation.√2x - 5 = 2 + √x - 2
Solve the following equation.√x + 2 = 1 - √3x + 7
Solve the following equation.√2x = √3x + 12 - 2
Solve the following equation.√3x = √5x + 1 - 1
Solve the following equation.√4x + 1 - √x - 1 = 2
Solve the following equation.√2x + 5 - √x + 2 = 1
Solve the following equation.√x + 5 + 2 = √x - 1
Solve the following equation.√x + 7 + 3 = √x - 4
Solve the following equation.√x - √x - 12 = 2
Solve the following equation.√x - √x - 5 = 1
Solve the following equation.√2x - x + 4 = 0
Solve the following equation.√4x - x + 3 = 0
Solve the following equation.√6x + 7 - 9 = x - 7
Solve the following equation.√4x + 5 - 6 = 2x - 11
Solve the following equation.√4x + 13 = 2x - 1
Solve the following equation.√3x + 7 = 3x + 5
Solve the following equation.x - √3x + 18 = 0
Solve the following equation.x - √2x + 3 = 0
If Robert (see Exercise 43) remembers to put in the stopper after 1 min, how much longer will it take to fill the sink?Exercise 43With both taps open, Robert can fill his kitchen sink in 5 min. When
With both taps open, Robert can fill his kitchen sink in 5 min. When full, the sink drains in 10 min. How long will it take to fill the sink if Robert forgets to put in the stopper?
Suppose Blake discovered his error (see Exercise 41) after an hour long surf. If he then closed the outlet pipe, how much more time would be needed to fill the pool?Exercise 41An inlet pipe can fill
An inlet pipe can fill Blake’s pool in 5 hr, and an outlet pipe can empty it in 8 hr. In his haste to surf the Internet, Blake left both pipes open. How long did it take to fill the pool?
A sewage treatment plant has two inlet pipes to its settling pond. One pipe can fill the pond 3 times as fast as the other pipe, and together they can fill the pond in 12 hr. How long will it take
Two chemical plants are polluting a river. If plant A produces a predetermined maximum amount of pollutant twice as fast as plant B, and together they produce the maximum pollutant in 26 hr, how long
Repeat Exercise 37, but assume that Joe takes 6 hr working alone, and Sam takes 8 hr working alone.Exercise 37 If Joe can paint a house in 3 hr, and Sam can paint the same house in 5 hr, how
If Joe can paint a house in 3 hr, and Sam can paint the same house in 5 hr, how long does it take them to do it together? (This problem appears in the 1994 movie Little Big League.) Tutns tas 20
Solve the equation.3x2/x - 1 + 2 = x/x - 1
Solve the equation.2x/x - 2 = 5 + 4x2/x - 2
Solve the equation.x + 4/2x = x - 1/3
Solve the equation.2x - 5/x = x - 2/3
Solve the equation.6 = 7/2x - 3 + 3/(2x - 3)2
Solve the equation.2 = 3/2x - 1 + -1/(2x - 1)2
Solve each equation.7/x2 + 19/x = 6
Solve the equation.5/x2 - 43/x = 18
Solve the equation. —х х2 — 1 х — 1 х + 1
Solve each equation.x/x - 1 - 1/x + 1 = 2/x2 - 1
Solve each equation.4x + 3/x + 1 + 2/x = 1/x2 + x
Solve each equation.3/x2 + x - 2 - 1/x2 - 1 = 7/2x2 + 6x + 4
Solve each equation.4/x2 + x - 6 - 1/x2 - 4 = 2/x2 + 5x + 6
Solve each equation.3/x - 2 + 1/x + 2 = 12/x2 - 4
Solve each equation.-2/x - 3 + 3/x + 3 = -12/x2 - 9
Solve each equation.x/x - 4 = 4/x - 4 + 4
Solve each equation.x/x - 3 = 3/x - 3 + 3
Solve each equation.4x + 3/4 - 2x/x +1 = x
Solve each equation.2x + 5/2 - 3x/x - 2 = x
Decide what values of the variable cannot possibly be solutions for each equation. Do not solve.5/2x + 2/x = 6
Decide what values of the variable cannot possibly be solutions for each equation. Do not solve.1/4x - 2/x = 3
Decide what values of the variable cannot possibly be solutions for each equation. Do not solve.2/x + 3 - 5/x - 1 = -5/x2 + 2x - 3
Decide what values of the variable cannot possibly be solutions for each equation. Do not solve.3/x - 2 + 1/x +1 = 3/x2- x - 2
Decide what values of the variable cannot possibly be solutions for each equation. Do not solve.2/x + 1 + 3/5x - 2 = 0
Decide what values of the variable cannot possibly be solutions for each equation. Do not solve.5/2x + 3 - 1/x - 6 = 0
Match each equation in Column I with the correct first step for solving it in Column II.3√x(x + 5) = 3√-6A. Cube each side of the equation.B. Multiply each side of the equation by x(x + 5).C.
A local group of scouts has been collecting old aluminum cans for recycling. The group has already collected 12,000 lb of cans, for which they could currently receive $4 per hundred pounds. The group
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