3,408 Answered Questions for the topic College Algebra

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

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

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

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
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

01/29/15

convert 1.55x10^2 km to m

convert 1.55x10^2 km to m

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

01/27/15

How do completely factor the expression?

-9x^2+6x-1
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
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
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
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
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?
College Algebra

01/06/15

how do you factor 4x2-x+3=0

factor equation using zero property
College Algebra

01/04/15

Solve these review problems

2x-9=5-4(3x+2)    and    8-6(x-4) less than or equal to 2(x-5)-4(2x-1)
College Algebra

01/03/15

a movie theater estimates that for each $0.50 increase in ticket price, the number of tickets sold decreases by 40. the current ticket price of $12.50 yields 12

Need to know the price that the theater should charge for tickets in order to maximize daily revenue
College Algebra

12/22/14

F(x)=7x+8/x+9; g(x)=9x-8/7-x find f(g(x)) find g(f(x))?

find f(g(x))? find g(f(x))? please show work so i can learn the steps to solve these problems in the future.

Write Linear Functions to describe this situation

Suppose the annual salary of a lecturer at a university is a linear function of the number of years of teaching experience. A lecturer with 9 years of experience is paid $41, 350. A lecturer with... more
College Algebra Math Help

12/15/14

Find f(x) and g(x)

Let f(x)=5x2-4x+2 and g(x)=4x-6   Find (f+g)(x)= Find (f*g)=

Determine the solution to the system of inequalities.

2x-y<4 y>-x+1
College Algebra

12/11/14

f(x)=-2x^2+x-5 find: f(5)

I also have to answer the following as well with same equation.   Find: f(-6)=   find: f(-1/3=   also need answered    1. f(x)=2x^2+4x+5        find: f(a)=   using same as above find: f(a+h)
College Algebra

12/10/14

solve the following system of equations

5x-y+z=6 4x+2y-3z=14 x-3y+2z=-12
College Algebra

12/09/14

Dimensions of a Triangle

The perimeter of a triangle is 180 feet. The longest side of the triangle is 24 feet longer than the shortest side. The sum of the lengths of the two shorter sides is 14 feet more than the length... more
College Algebra

12/08/14

the vertex of the front has moves 250 miles south, and 210 miles east of des moines maintaining the same shape, write the equation for the parabola

the vertex of the front has moves 250 miles south, and 210 miles east of des moines maintaining the same shape, write the equation for the parabola
College Algebra Word Problem Math Help

12/08/14

Decomposing

Under certain water conditions, the free chlorine (hypochlorous acid, HOCl) in a swimming pool decomposes according to the law of uninhibited decay. After shocking his pool, Ben tested the water... more

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