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ElenaW [278]
3 years ago
6

Sandy borrowed a book from Liabrary and read notice about fines. Each day fine doubles.if snook is 1day overdue ,the fine is $0.

02 .if it is 2days overdue,the fine is$0.04,if it is 3 days overdue,it is $0.08 and so on. If sandy book is one week overdue how much will he fine be
Mathematics
1 answer:
sladkih [1.3K]3 years ago
7 0

Answer:

Step-by-step explanation:

The fines grow exponentially.

f(n) = $0.01×2ⁿ, where n is the number of days

f(7) = $0.01×2⁷  = $1.28

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Given f(x)=-2x-1, solve for x when f(x)=-7
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The answer is -15.

Step-by-step explanation:

1. 2x - 1

2. 2(-7) - 1

3. (-14) - 1

4. -15

By plugging in our x value, we are able to use PEMDAS to  multiply 2 and the value of x and then, we subtract 1 from the value we got from step 3 to get -15.

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2 years ago
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<img src="https://tex.z-dn.net/?f=y%20-%20xy%20%2B%20x%20-%201" id="TexFormula1" title="y - xy + x - 1" alt="y - xy + x - 1" ali
nata0808 [166]
I believe it should be =(1-x) multiple by (y-1)
(1-x) x (y-1)
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2 years ago
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Please help!!!!!!!!!!!¡
Daniel [21]
Your answer would be ( -12/5 x + 2 )
6 0
2 years ago
<img src="https://tex.z-dn.net/?f=%3Cbr%3E%0Ay%3D%20x%5E%7B2%7D%20-9" id="TexFormula1" title="&amp;#10;y= x^{2} -9" alt="&amp;#1
svp [43]
Simple...

y=x^{2} -9

y= x^{2} -9

It's quite easy to see x^{2} = x^{2}

Thus, any value of x makes the equation true.

Thus, your answer.
7 0
2 years ago
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