3,395 Answered Questions for the topic College Algebra

02/07/15

Dimensions of a rug
Zachary Daniels wants to buy a rug for a room that is 12 ft wide and 15 ft lon. He wants to leave a uniform strip of floor around the ru. He can afford to buy a 18ft^2 of carpetin. What dimensions... more
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College Algebra Algebra 2

02/05/15

Find the principle needed now to get the given amount; that is find the present value
to get $90 after 1 1/2 years at 4% compounded continuously.  What is the present value of $90?
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College Algebra Algebra 2 Economics

02/05/15

Find the amount that results from the given investment.
$10 invested at 11% compounded continously after a period of 2 years.   What will the investment results be in 2 years?
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College Algebra

02/04/15

How many years?
the population of a southern city follows exponentia law. If the population doubled in size over 26 months and the current population is 30,000 what will the population be 4 years from now?
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College Algebra

02/04/15

How many grams?
the half life of radium is 1690 years. If 50 grams are present now, how much will be present in 270 years?
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College Algebra

02/04/15

world problem
A jeweler offers to sell you a ring he claims is pure palladium which has a denstity of 12.02/mL . Before buying the you want to determine weather it is really pure palladium. Explan how would... more
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College Algebra

02/04/15

world problem
Hexane has a density of 0.659g/mL. How many milliliters(mL) would you need to pour in order to get 49.5 g of hexane.
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College Algebra

02/03/15

Solve 1/R=1/R1+R2 for R. Your result should not contain any complex fractions.
The R's are suppose to have little numbers next to them R1, same with R2
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College Algebra

02/02/15

box with open top, rectangular piece of cardboard, width of 26in and length of 50in by cutting corners (x) from side length.
need a polynomial representing the volume of the box. height is unknown
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02/02/15

f(x)=5(x-2)^2+9 What is the vertex? Is it maximum or minimum? What is the minimum value of f(x)?
f(x)=5(x-2)^2+9 What is the vertex? Is it maximum or minimum? What is the minimum value of f(x)?
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College Algebra Math Help

02/02/15

the sum of two numbers is 21. the first number is twice the second number. What are the numbers
thats all there is 
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02/02/15

Word problem
A nurse mixes 60 cc of a 50% saline solution with a 10% saline solution to produce a 25% saline solution. How much of the 10% solution should he use?
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College Algebra

02/01/15

world problem
 A circus juggler throws a ball upward with an initial velocity of 15.8 m/s. How long does he have before it comes back down and he has to catch it? Assume he catches it at the same height from... more
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01/31/15

Linear function
The manufacturing process requires that oil refineries manufacture at least 2 gallons of gasoline for each gallon of fuel oil. To meet the demand for fuel oil, at least 3 million gallons per day... more
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01/31/15

Linear function
A local theater sells tickets for childre, adults, and senior citizen. Adult tickets are $8.00, children's tickets are $4.00, and senior tickets are $6.00. One day the theater sells 700 tickets and... more
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01/31/15

Word problem
laura borrowed a total of $20,000 from two different banks to start a business. One bank charged the equivalent of 4% simple interest, and the other charged 5.5% interest. If the total interest... more
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College Algebra

01/29/15

what is the mass in grams of 125mL of castor oil which has a density of 0.962g/mL
what is the mass in grams of 125mL of castor oil which has a density of 0.962g/mL
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College Algebra

01/29/15

convert 1.55x10^2 km to m
convert 1.55x10^2 km to m
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01/28/15

Linear function
Your friend has a check for $1000 after a 55 hour work week. However, every hour past 40 is considered overtime and is paid 1.5 times the usual wage. How much is your friends usual wage?
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College Algebra

01/27/15

How do completely factor the expression?
-9x^2+6x-1
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College Algebra

01/23/15

Word problem help
A precinct reported than 317 people had voted in an election. The number of republican voters was 7 more than two-thirds the number of democrats. How many republicans and how many democrats voted... more
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College Algebra

01/20/15

Investing question
Don James wants to invest $55,000 to earn $5250 per year. He can invest in B-rated bonds paying 12% per year or in a Certificate of Deposit (CD) paying 7% per year. How much money should be... more
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College Algebra

01/20/15

world problem
Average adult male needs 58 g of proten per day. A can of begetrian refreid beans contains 6.0 of protien per serveing. Each serving is 128 g of beans. If his only dietary soruce of protein was... more
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College Algebra

01/18/15

need to give an equation of perimeter for length only and area of 3200 for length only
Have an area which is 3200 The length is a 8 feet longer than the width I have these equations that were given me: P=2L+2W, A=L*W, P=L+2W I know that W=L-8     Not sure what equation I need... more
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College Algebra

01/13/15

In some country the budget for defense exceeded the budget for education by $687.4 billion.
If x represents the budget for education, in billions of dollars, how can the budget for defense be represented?
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