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...
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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?

#### 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?

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?

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?

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...
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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.

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

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

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)?

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

College Algebra College Algebra Word Problem

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?

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...
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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...
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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...
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College Algebra College Algebra Word Problem

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...
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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

College Algebra College Algebra Word Problem

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?

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...
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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...
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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...
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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...
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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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