## College Algebra Test Quesion, Algebra

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An inlet pipe can fill a large water tank in 4 hours. Another inlet pipe can fill the same water tank in 5 hours. Given an empty water tank, at 8:00 AM, activate both pipes. What time on the clock will it be when the tank is completely filled? Round to nearest minute on clock.

#### Hyperbolas, The next graph that we have to look at is the hyperbola.  There...

The next graph that we have to look at is the hyperbola.  There are two standard forms of a hyperbola.  Here are instance of each. Hyperbolas contain two vaguely parabola s

#### Example of mixing problems, How much of a 50% alcohol solution should we mi...

How much of a 50% alcohol solution should we mix with 10 gallons of a 35% solution to get a 40% solution? Solution Let x is the amount of 50% solution which we need.  It me

#### Solving systems using substitution, i dont know how to do this equation y=...

i dont know how to do this equation y=x+3 2x+y=6

#### Find out the domain of function, Find out the domain of each of the followi...

Find out the domain of each of the following functions. g( x ) = x+3 /x 2 + 3x -10 Solution The domain for this function is all of the values of x for which we don't hav

#### Solutions and linear combination, how do you find the solution using linear...

how do you find the solution using linear combinations 4x+3y=-1 and -3x+-5y=9

(4, -5) , y = -1

#### Word Problem, Preston wants to build a cement patio that will be 8 meters b...

Preston wants to build a cement patio that will be 8 meters by 11 meters. It will cost \$1.84 per square meter to build. What will be the total cost of the patio?

#### Isaac, 1. Isaac goes to an amusement park where tickets for the rides cost ...

1. Isaac goes to an amusement park where tickets for the rides cost \$10 per sheet and tickets for the shows cost \$15 each. a. Write an expression that describes the amount of money

#### Word problem, Donna is 4 years older then Chloe, Three years ago Donna''s a...

Donna is 4 years older then Chloe, Three years ago Donna''s age was three times Chloe''s age. Find the age of each girl

r+7= r=3

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