jb7692

19.10.2019 • 

Mathematics

Melinda and marcus each have a job. melinda earns $12 an hour. she also receives a $75 weekly bonus.

melinda made a table to show how much she earns in a given week.
hours 0 5 10 15 20 25 30 35 40
weekly earnings 75 135 195 255 315 375 435 495 555

marcus earns $15 an hour.

marcus wrote an equation to determine how much he earns for a given number of hours in a given week.

y=15x

after working a certain number of hours, melinda and marcus will have each earned the same amount of money. how much money will they have earned then?

$

Ответ:

barbiegirllover

07.01.2022

Mathematics

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According to given information,
Equation of Melinda Earning = 75 + 12x
Equation of Marcus Earning = 15x
Where, x = Number of hours they worked.

Now, we need to calculate when they will have same amount of money, so for that instance they shall equal to each other.
75 + 12x = 15x
15x - 12x = 75
3x = 75
x = 75/3
x = 25

After 25 hours, they will have the money = 15(25) = $375

So, your final answer is $375

Hope this helps!

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Ответ:

darriancascioli

11.12.2020

Mathematics

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Normally a fourth-degree poly would have five terms.  An example in 3 terms might be 

3x^4 - 7x^2 + 5 (two powers of x are missing).

"standard form" implies that the terms are written in descending order by (positive) powers of x:  x^4, x^2, x^0.

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