Word problem about driving for 55mi/h to anther city, staying for 25hrs, and driving 45mi/h back. She is back 49 hours after leaving.

Wilma drove at an average speed of 55 mi/h from her home in City A to visit her sister in City B. She stayed in City B 25 hours, and on the trip back averaged 45 mi/h. She returned home 49 hours... more

Word Problem

The cost to produce one laptop computer is 890.00 plus a one time fixed cost of 100,000.00 for research and development. Each laptop computer will be sold for 1520.00.   A. Write a formula that... more

11/06/13

HELP ME OUT PLEASE SOLVE IT..............Factor by grouping

Factor by grouping:(1) 4x^2-48x+x-12(2) 7x^3+49x+4x^2+28(3) 3x^2+27x+21x+189

11/05/13

compute the discriminate. x^2 -4x+4 =0

determine the number and type of solution.

How did the children vote?

Fifteen children voted for their favorite color (red, blue, green, and yellow).  The votes for red and blue together were double the votes for green and yellow together.  How did the children vote?

Tagged 35 seals. Recaptured, 15 percent tagged. Estimate total number of seals.

I converted 13% to 0.13 but I do not know how to solve this problem.

11/02/13

20x^6 - 32x^2 / 4x^3

Math help :   20x^6 - 32z^3         4x^3

01/16/13

5 years ago Gita was three times the age of his cousin Dilip. If Dilip is 8 years younger than Gita. How old is Gita now?

5 years ago Gita was three times the age of his cousin Dilip. If Dilip is 8 years younger than Gita. How old is Gita now?

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