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Troyanec [42]
3 years ago
6

If you work for 5 hours and you make $65, how many hours would you have to work to earn $143

Mathematics
2 answers:
wlad13 [49]3 years ago
5 0
To earn 143 dollars you must work 11hrs


iren [92.7K]3 years ago
5 0
65/5 = $13 per hour (find out how much per hour)

let x is the number of hours you would have to work

$13x = $143

x = 143/13

x = 11

answer:
You need to work 11 hours to earn $143

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The function is given as:

P(A) = 0.006A^2 - 0.02A + 120

When the normal systolic pressure is 125, it means that:

P(A) = 125

So, we have:

125 = 0.006A^2 - 0.02A + 120

Subtract 125 from both sides of the equation

0= 0.006A^2 - 0.02A + 120 -125

0= 0.006A^2 - 0.02A - 5

Rewrite the equation as:

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Using a graphing calculator, we have:

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But age cannot be negative.

So, we have:

A = 30.58

Approximate

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Read more about quadratic functions at:

brainly.com/question/11441586

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Step-by-step explanation:

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