bimbim2697
  • bimbim2697
SOLVE EACH SYSTEM OF EQUATIONS BY ELIMINATION.TELL WHETER THE SYSTEM HAS ONE SOLUTION INFINITE SOLUTION MANY SOLUTIONS OR NO SOLUTION.CHECK YOUR SOLUTION 1)4X+Y=8 X+Y=5 2)3X-2Y=10 X-2Y=6
Mathematics
chestercat
  • chestercat
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radar
  • radar
1. has one solution, x=1, y=4 2. has one solution, x=2, y=-2
bimbim2697
  • bimbim2697
@radar can u help me with another question
bimbim2697
  • bimbim2697
A farm raises a total of 220 chickens and pigs.The number of legs of the stock in the farm totals 520 .How many chickens and pigs are at the farm?

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radar
  • radar
Number of animals is 220 given. Let p = pigs Let c = chickens. Then c + p =220 Now we do the legs. Here is a fundamental fact, chickens have two legs and pigs have 4 legs. We now can write: 2c + 4p = 520 Substitute for c, in that c=220-p 2(220-p) + 4p = 520 440 -2p +4p = 520 2p =520 -440 2p = 80 p = 40 forty pigs c = 180 chickens

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