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maks197457 [2]
3 years ago
6

(5x2 + 2x + 11) − (7 + 4x − 2x2)

Mathematics
2 answers:
max2010maxim [7]3 years ago
5 0
(5-2) x^2 + ( 2-4) x + (11-7 )
= 3x^2 -2x + 4
ASHA 777 [7]3 years ago
4 0
The answer would end up being 12x+4
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Answer:

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Expression where the solution is 19
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Svet_ta [14]
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8 0
4 years ago
A grocer wants to make a 10-pound mixture of peanuts and cashews that he can sell for $4.75 per pound. If peanuts cost $4.00 per
vladimir2022 [97]
The grocer wants to make a 10 pound mixture 
p - pounds of peanuts
c - pounds of cashews
therefore the total pounds should be equal to 10 pounds 
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the cost for ;
peanuts - 4.00 per pound * p pounds = 4p
cashews - 6.50 per pound * c pounds = 6.5c
the price of 10 pounds mixture = 4.75 per pound * 10 pounds = 47.5
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to solve for p and c lets use simultaneous equations 
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multiply 1st equation by 4
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subtract 3rd equation from the 2nd
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p+c = 10
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6 0
4 years ago
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