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patriot [66]
3 years ago
8

For (d), I don't think I'm supposed to use the graphical method. Is quadratic formula the only option?

Mathematics
1 answer:
Nikolay [14]3 years ago
7 0

I would use the quadratic formula, as no other method comes to mind at the moment.

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A farmer has 500 acres to plant acres of corn, x, and acres of cotton, y. Corn costs $215 per acre to produce, and cotton costs
hodyreva [135]

Answer:

x + y = 500

215x + 615y = 187,500

Step-by-step explanation:

The first equation can show the amount of land.  The farmer has 500 acres to plant corn, x, and cotton, y.

x + y = 500

The second equation can show the cost.  The farmer has $187,500 to invest when corn costs $215 per acre and cotton costs $615 per acre.

215x + 615y = 187,500

The system of equations is

x + y = 500

215x + 615y = 187,500

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DaniilM [7]

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Lady_Fox [76]
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3 years ago
How can you use estimation to find
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Answer: Second option.

Step-by-step explanation:

Given the function f(x), which is:

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