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grin007 [14]
3 years ago
5

At the end of the summer, Caitlin had saved $120 from her summer job. This was her initial deposit into a new saving account at

the bank. As the school year starts, Caitlin is going to deposit another $5 each week from her allowance. What is the value of the account balance ($) when the time (in weeks) is 0?
Mathematics
2 answers:
Minchanka [31]3 years ago
6 0

Answer:

120.

Step-by-step explanation:

She adds $5 to her account each week. If 0 weeks have gone by, then her account hasn't changed.

Mumz [18]3 years ago
3 0
120 because she gets 5$ a week and she didn’t work
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melomori [17]
We have a circumference that is given by the following equation:

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We can write this equation in its standard form as follows:

 x^{2}+y^{2}=7^{2} \\ where \ the \ radius \ r=7

On the other hand, the linear function is given as the following table:

x \ \ \ \ \ \ \ \ g(x) \\ -1 \ \ -9.2 \\ 0 \ \ \ \ \ -9 \\ 1 \ \ \ \ \ -8.8

To check if the circle and the line intersects, let's substitute the equation of the line into the equation of the circle to see if there is a real solution, so:

x^{2}+(0.2x-9)^{2}=49 \\ \\ \therefore x^{2}+0.04x^{2}-3.6x+81=49 \\ \\ \therefore 1.04x^{2}-36x+32=0 \\ \\ Solving \ for \ x: \\ x_{1}=33.70 \\ x_{2}=0.91 \\ \\ Solving \ for \ y: \\ y_{1}=0.2(33.70)-9=-2.26 \\ y_{2}=0.2(0.91)-9=-8.18

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2 years ago
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Can anybody answer this simple math question ive attached please
Vedmedyk [2.9K]
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Answer:

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