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Due on Jul. 06, 2009
Asked on Jul 03, 2009 at 9:35:31PM

Q:
x+3y=2 (1)
x=4-3y (2)
What is the solution of the system?

2r-7s=-59
7r+2s=32
solve by the elimination method. What is the solution of the system?

Soybean meal is 14% protein; cornmeal is 7% protein. How many pounds of each should be mixed together in order to get 280-lb mixture that is 12% protein?
How many pounds of the cornmeal should be in the mixture? ___pounds
How many pounds of the soybean meal should be in the mixture? __pounds

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mph and train B is traveling at 120 mph. Train A passes a station at 1:25 P.M. If train B passes the same station at 1:40 P.M., at what time will train B catch up to train A?

The length of a rectangle is fixed at 10cm. What widths will make the perimeter greater than 92 cm? The width must be greater than __cm.

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Posted on Jul 03, 2009 at 9:40:32PM

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Preview: ... rotein; cornmeal is 7% protein. How many pounds of each should be mixed together in order to get 280-lb mixture that is 12% protein? How many pounds of the cornmeal should be in t ...

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Posted on Jul 03, 2009 at 9:42:01PM

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Preview: ... me direction on parallel tracks. Train A is traveling at 100 mph and train B is traveling at 120 mph. Train A passes a station at 1:25 P.M. If train B passes the same station at 1:40 P.M ...

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Posted on Jul 03, 2009 at 9:43:06PM

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Posted on Jul 03, 2009 at 9:43:10PM

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Preview: ... n method. What is the solution of the system? (2, 9) Soybean meal is 14% protein; cornmeal is 7% protein. How many pounds of each should be mixed together in order to get 280-lb mixture that ...

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Posted on Jul 03, 2009 at 9:51:02PM

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Posted on Jul 03, 2009 at 10:15:06PM

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