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siddhi50
29.08.2019 •
Mathematics
Rae earns $60 for playing music on saturday nights at the local coffee house. she makes an average of $5.25 in tips per hour. write the function of rae's earnings, and solve for how much she would make after 4 hours.
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Ответ:
after 4 hrs..
f(4) = 5.25(4) + 60
f(4) = 21 + 60
f(4) = 81Rae would make $81 after 4 hrs
Ответ:
The function of Rae's earnings :![f(x)=60+5.25x](/tpl/images/0208/9509/f7699.png)
She would make $81 after 4 hours.
Step-by-step explanation:
Let x be the number of hours Rae works.
Given : Rae earns $60 for playing music on Saturday nights at the local coffee house. She makes an average of $5.25 in tips per hour.
Then , the function of Rae's earnings will be :_
Now, for x = 4 hours , we get
Hence, she would make $81 after 4 hours.
Ответ:
Multiply the first, outside, inside, and last terms of the binomials.
Multiply a times a, a times -b, b times a, and b times -b.
This is the same as just squaring a and squaring b.
A shortcut is to add a squared and b squared.