781 Answered Questions for the topic College Algebra Word Problem

College Algebra Word Problem

06/07/15

the sum of the square of a positive number and the square of 5 more than the number is 97 what is the number
the sum of the square of a positive number and the square of 5 more than the number is 97 what is the number?
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College Algebra Word Problem

06/04/15

meg rowed her boat upstream a distance of 55 mi and then rowed back to the starting point the total time of the trip was 16 hours if the rate of the current was
meg rowed her boat upstream a distance of 55 mi and then rowed back to the starting point the total time of the trip was 16 hours if the rate of the current was 3 mph find the average speed of the... more
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College Algebra Word Problem

06/04/15

twin brothers billy and bobby can mow their grandparents lawn together in 114 minutes billy would mow the lawn by himself in 20 minutes less time that it would
twin brothers billy and bobby can mow their grandparents lawn together in 114 minutes billy would mow the lawn by himself in 20 minutes less time that it would take bobby how long would it take... more
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College Algebra Word Problem

06/04/15

imogene's car traveled 336 mi averaging a certain speed if the car had gone 6 mph faster the trip would have taken 1 hour less find the average speed
imogene's car traveled 336 mi averaging a certain speed if the car had gone 6 mph faster the trip would have taken 1 hour less find the average speed
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College Algebra Word Problem

06/04/15

The boat had an average speed of ____ mph relative to the water?
A boat traveled downstream a distance of 57 mi and then came right back. If the speed of the of the current was 12 mph and the total trip took 6 hours and 20 minutes find the average speed of the... more
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College Algebra Word Problem

06/04/15

A 18ft by 22ft rectangular swimming pool is surrounded by a walkway of uniform width. If the total area of the walkway is 276ft how wide is the walkway?
A 18ft by 22ft rectangular swimming pool is surrounded by a walkway of uniform width. If the total area of the walkway is 276ft how wide is the walkway?
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College Algebra Word Problem

05/26/15

How much is invested at each rate? Solve with a system of two variables using the substitution method.
a total of 2015 dollars is invested between two accounts: one paying 2.5% annual interest and the other paying 6% annual interest.After one year the total interest earned is $99. How much is... more
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College Algebra Word Problem

05/20/15

the functions of f and g are defined above. what is the value of f(g(-3))?
f(x)=x+3 g(x)=/x-3/
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College Algebra Word Problem

05/11/15

I need an algebraic equation, with all work shown.
My example is, I need to know at what point the compound interest doubles. What I know is, 1st year accrued interest is $1.36 trillion dollar, interest rate is 8% and principle amount is $17... more
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College Algebra Word Problem

05/05/15

The perimeter of a standard-sized rectangular rug is 40 ft. The length is 2 ft longer than the width. Find the dimensions.
College Algebra
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College Algebra Word Problem

04/30/15

Find an equation of the parabola with vertex (-3,5) and focus (-3,7)
Just trying to find an equation for a parabola. stuck on a HW problem. could really use some help
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College Algebra Word Problem

04/30/15

How much was present at the original measurement?
I also need to know how much was in the sample to the nearest gram after 4hrs. based on the above information   a sample of radioctive substance decayed according to y=210(10)^-3x where y was the... more
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College Algebra Word Problem

04/29/15

Exponential and logarithmic functions
Carbon 14 also known as radiocarbon, is a radioactive form of carbon that is found in all living plants and animals. the amount of radio carbon present, y, in animal bones after t years is given by... more
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College Algebra Word Problem Word Problem College Algebra Word Problem Help

04/28/15

newton's law of cooling states the temperature of a body at a time t after being introduced into an environment
Newton's law of cooling states the temperature of a body at a time t after being introduced into an environment having constant temperature To is A(t)=To+Ce-kt, where C and K are constants and t is... more
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College Algebra Word Problem

04/27/15

What was the maximum revenue from the apartments?
the number of apartments that can be rented in a 100-unit apartment complex decreases by one for each increase of $25 in rent. The revenue generated from rent after x increases of $25 is given by... more
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College Algebra Word Problem

04/26/15

Finding exponential function relating number of cases and days of month
the number of flu cases on May 1 were 3 and on may 9 were 19. If he growth is exponential find the function that relates t (day of month) to N ( number of cases). How many cases on May 21
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College Algebra Word Problem

04/26/15

2.4% increase 1400 cats, how many in 8 years
the number of cats increases exponentially at 2.4% per year. How many cats in 8 years
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04/25/15

In an effor to control vegetation overgrowth, 82 rabbits are released in an isolated area Free of predators. After 2 years, it is estimated that the rabbit popu
In an effor to control vegetation overgrowth, 82 rabbits are released in an isolated area Free of predators. After 2 years, it is estimated that the rabbit population has increased to 328. Assuming... more
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College Algebra Word Problem College Algebra Inverse Functions

04/24/15

The safe load, L, of a wooden beam of width w, height H, and length l, supported at both ends, varies directly as the product of the width and the square of the
The safe load, L, of a wooden beam of width w, height H, and length l, supported at both ends, varies directly as the product of the width and the square of the height, and inversely as the length.... more
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College Algebra Word Problem Algebra 1 Algebra College Algebra

04/24/15

A population grows exponentially at an annual rate given by r=0.03. What will the population be in 75 years if the initial population is 2500?
A population grows exponentially at an annual rate given by r=0.03. What will the population be in 75 years if the initial population is 2500?
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College Algebra Word Problem College Algebra Exponential Functions

04/24/15

The value of a machine, V, at the end of t years is given by V=C(1-R)t , where C is the original cost and r is the rate of depreciation. Find the value of a mac
The value of a machine, V, at the end of t years is given by V=C(1-R)t , where C is the original cost and r is the rate of depreciation. Find the value of a machine at the end of 4 years if the... more
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College Algebra Word Problem

04/24/15

A chemist is studying the properties of a bronze alloy (mixture) of copper and tin.
She begins with 6 kg of an alloy that is one-half tin. Keeping the amount of copper constant, she adds small amounts of tin to the alloy. Letting x be the total amount of tin added, defineC(x)=... more
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College Algebra Word Problem College Algebra Direct And Inverse Variation

04/24/15

A stone dropped from rest travels 230 feet in the first 5 seconds. How far will it have fallen at the end of 7 seconds? (Round to the nearest Integer)
A stone dropped from rest travels 230 feet in the first 5 seconds. How far will it have fallen at the end of 7 seconds? (Round to the nearest Integer)
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College Algebra Word Problem College Algebra Exponential Functions

04/24/15

The revenue function is given by R(x) =x*p(x) dollars where x is the number of units sold and p(x) is the unit price. If p(x)=50(5)-x/5 find the revenue if 10 u
The revenue function is given by R(x) =x*p(x) dollars where x is the number of units sold and p(x) is the unit price. If p(x)=50(5)-x/5 find the revenue if 10 units are sold. Round to two decimal... more
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College Algebra Word Problem College Algebra Exponential Functions

04/22/15

Tessa invests $7200 in a new savings account which earns 5.5% annual interest, compound quarterly. What will be the value of her investment after 7 years? Round
Tessa invests $7200 in a new savings account which earns 5.5% annual interest, compound quarterly. What will be the value of her investment after 7 years? Round to the nearest cent. 
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