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gogolik [260]
1 year ago
5

Factorize: x²+2+1/x² ​

Mathematics
1 answer:
andrew-mc [135]1 year ago
8 0

x^{2}+\frac{1}{x^{2}}+2=\boxed{\left(x+\frac{1}{x} \right)^{2}}

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To model this situation, we are going to use the standard linear function: y=mx+b.

1. Since S represent the total amount of money in the savings account, y=S. We also know that each week she adds $40 to her account, so the slope of our linear equation will be 40W; therefore, m=40W. Since she started her account with $750, b=750. 
Lets replace those values in our linear function:
y=mx+b
S=40W+750

We can conclude that equation that models this situation is: S=40W+750

2. Now to find the total amount after 16 weeks, we just need to replace W with 16 in our equation and simplify:
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We can conclude that the amount of money in her account after 16 weeks is $1390
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Answer:

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