3 years ago

Solve the system by elimination -3x+4y=16 3x+y=4

1 answer:

7 0

X's cancel 5y = 20 y= 4 X=0

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God I remember when I had to that last year in 7th grade honors. I know you have to set up a proportion.

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Viefleur [7K]

The answer you have is correct

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The answer to your question would be 150 (c)

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3 years ago

MatroZZZ [7]

Answer:

$2,226.96

Step-by-step explanation:

You are going to want to use the compound interest formula, which is shown below.

$A=P(1+\frac{r}{n} )^{nt}$

P = initial balance

r = interest rate

n = number of times compounded annually

t = time

First, change 10% into its decimal form:

10% -> $\frac{10}{100}$ -> 0.1

Now lets plug in the values into the equation:

$A=500(1+\frac{0.1}{12})^{15(12)}$

$A=2,226.96$

The final amount after 15 years is $2,226.96

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3 years ago