Solve the equation 4n2 − 16n − 84 = 0 by completing the square.
1 answer:
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Find 1 cup :
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Find 4 cups :
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Answer: John can make 6 batches with 4 cups of flour.
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Answer:
Let x represents acres of corn to be planted.
Let y represents acres of soybeans to be planted.
A farmer has a 320 acre farm on which she plants two crops. We get;
Other equations as per scenario becomes:
We have to find the profit. So let the profit be p. We can give this by:
When we graph these functions, we get the following.
(0,200) putting these in we get profit as $1800
(140,130) , we get $20,100
(192,0) we get $11520
In the graph, we have points (240,180) but this is not possible as so, we have (140,130) to get the maximum profit.
