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December 20, 2014

Homework Help: MATH HELP

Posted by Anonymous on Tuesday, January 11, 2011 at 8:11pm.

I posted this yesterday and no one bothered to check it, therefore Im posting it again, please check it this time.

The south edmonton pet shop has several parrots and dogs for sale. There are a total of 24 heads and 82 legs in the display cages.

A) Write a system of linear equations to represent the number of parrots, p, and the number of dogs, d, for sale.

p+d = 24
2p+4d = 82

B) Determine the solution to this system graphically(done it)

c)Explain why this system of linear equations would have no solution if the total number of legs is changed from 82 to 83?

Cause it wouldnt equal up with eachother? no sure how to rephrase this into a better answer.

D) Why is your answer to part C not related to the slopes of the two lines?

???????????????

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