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3 years ago

Y= 4+3x solve it and pls hurry

Mathematics

1 answer:

Arturiano [62]3 years ago

6 0

Answer:

Step-by-step explanation:

y = 4 + 3x

3x + 4 = y

- 4 - 4

3x = y - 4

/ 3 / 3

x = 1/3y - 4/3

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3 years ago

To help with her retirement savings, Donna has decided to invest. Assuming an interest rate of 3.59% compounded quarterly, how m

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We get the value of Principal amount i.e initial investment = $61640

Step-by-step explanation:

Interest rate r = 3.59% or 0.0359

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We need to find initial investment i,e Principal Amount P

The formula used is: $A=P(1+\frac{r}{n})^{nt}$

Putting values and finding P

$A=P(1+\frac{r}{n})^{nt}\\117300=P(1+\frac{0.0359}{4})^{4*18} \\117300=P(1+0.008975)^{72}\\117300=P(1.008975)^{72}\\117300=P(1.903)\\P=\frac{117300}{1.903}\\P=61640$

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