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alina1380 [7]
2 years ago
7

Ron and amie opened an educational savings account for their daughter when she was born making a $5,000 initial investment. They

were unable to ever add anything else to the account. What was the rate of return if they had $10,000 in the account after 12 years
Mathematics
1 answer:
Arlecino [84]2 years ago
6 0

Interest rate= 0.083%

Step-by-step explanation:

Principal= $5000 Amount= $10000 Time period= 12 years

A=Amount, P= Principal, I= Simple Interest r= Rate of interest t= Time period

A= P+ I\\10000= 5000+ I\\I=10000-5000=5000\\I=Prt\\5000=5000*r*12\\r=5000/5000*12\\r=5000/60000\\r=0.083

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Diego’s history teacher writes a test for the class with 26 questions. The test is worth 123 points and has two types of questio
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Which of the graphs below represent the function f(x) = − x3 + 4x2 − x + 3? You may sketch the graph to compare.
Alekssandra [29.7K]

Answer:

Please see the attachment.

Step-by-step explanation:

\text{Given function:}f(x)=-x^3+4x^2-x+3

Now we find the x and y intercept of f(x)

For x-intercept: Put f(x)=0 and solve for x

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For y-intercept: Put x=0 and solve for f(0)

So, y=3 (Passes through y-axis at 3)

End Behavior: Third degree function

x\rightarrow -\infty , f(x)\rightarrow \infty

x\rightarrow \infty , f(x)\rightarrow -\infty

Possible graph of the f(x). Please see the attachment.

7 0
2 years ago
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