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Kaylis [27]
3 years ago
10

{(6,-6), (7, -6), (8, -6), (9,-6)}

Mathematics
1 answer:
Hatshy [7]3 years ago
8 0
This is a function because every input has one output, the x values don't repeat itself meaning its a function. 
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If 6 men can do a piece of work in 14 days, how many men are needed to do the work in 21days?
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Total work amount
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84 men days

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DENIUS [597]

For this case we propose a system of equations. We have to:

x: Let the variable that represents the number of dimes

y: Let the variable that represents the number of quaters

We know that:

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A quater equals 0.25 cents, $0.25

According to the statement we have:

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We have the following equivalent system:

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Answer:

3 quater

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