3,394 Answered Questions for the topic College Algebra

College Algebra

11/13/14

#### give the center and radius of the circle

give the center and radius of the circle 4x^2+4y^2+4x-4y-3=0

College Algebra

11/13/14

#### give the focus

give the focus, directrix and axis of the parabloa: 32y^2=-x

College Algebra Algebra 2

11/13/14

#### prove the parablola

prove the parablola with foucus (c,0) and directricx x =-c has equation y^2 = 4cx

College Algebra

11/12/14

#### solve equation analyticaly

wat it the domain and range of the flwwing equation In(5+x)-In(3+x)-In3=0. solve the eqution analyticaly

College Algebra

11/12/14

#### defined function

A. consider the function defined by f(x)=2^x-1+8. find the invrse of f
b.Solve for A=pe^nq for n

College Algebra

11/12/14

#### word problem

radium 226 has a half life about 1600 years. An intial simple wights 2 grms.A. find a formula for the dacy functionB. Find the amount left after 9600 years.c. Find the time for the intial amount to...
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11/11/14

#### Give a counterexample to the claim log (s/t) = log s/ log t

Give a counterexample to the claim log (s/t) = log s/ log t

College Algebra Conic Sections

11/10/14

#### Determine an equation for the parabola with focus (3,1) and directrix x=9

determine an equation for the parabola with focus (3,1) and directrix x=9

College Algebra Circus Tickets

11/09/14

#### What is the price of a child's ticket and a senior citizen ticket?

The circus is coming to town. Sue is selling tickets. The first day she sold 4 senior citizen tickets and 2 children's tickets for a total of $80. The second day she received $145 for 5 senior...
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College Algebra

11/09/14

#### a youth organization collected nickels and dimes for a charity drive

By the end of the 1-day drive, the youth had collected $63,000. If there were four times as many dimes as nickels, how many of each type of coin was collected?

College Algebra

11/08/14

#### among all rectangles that have a perimeter of 192, find the dimensions of the one whose area largest. write your answers as fractions reduced to lowest terms

i dont understand how to do this problem

10/30/14

#### A local lumberyard takes in $24,000 in a 12 hour period. Write a direct variation equation between the income and the number of hours.

Variation word problem for my class.

10/29/14

#### How much interest is earned in 10 years invested on $5,000 invested at an interest rate of 7% per year?

Another problem that I am having difficulty solving.

10/29/14

#### Kira owes the bank some money at 6% per year. After one year, she paid $80 in interest. How much money does she still owe to the bank?

Just a math problem that I have been stuck on for a while.

College Algebra

10/29/14

#### Graph the rational function

Graph the rational function by hand f(x)=x^3+2x^2-13x-10

College Algebra

10/29/14

#### 2 drains drain a pool in 8 hours. One is 1.5 times faster. How long will it take for the faster one to drain the pool itself?

i have no clue how to set up this problem in order to solve it need help

College Algebra

10/29/14

#### world problem

A rectangular piece of cardboard measuring 12 in by 18 in is to be made into a box with an open top by cutting equal sized squares from each corner and folding up the sides.A.give the restriction...
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College Algebra

10/28/14

#### divide p(x)=20x^4+6x^3-2x^2+15x by 5x-1

Divide p(x)= 20x^4+6x^3-2x^2+15x by 5x-1

College Algebra

10/28/14

#### Find all the zeros of the function

Find all the zeros of the function P(x)=x^3+2x^2-13x-10

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