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3 years ago

7

Subtract four from X double your answer subtract two and then simplify the equation

1 answer:

3241004551 [841]3 years ago

6 0

2(x-4)-2

2x-8-2

2x-6

is that simplified enough?

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$4000 for 2years at 5% compounded quarterley

NeTakaya

$\bf \qquad \textit{Compound Interest Earned Amount}
\\\\
A=P\left(1+\frac{r}{n}\right)^{nt}
\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{original amount deposited}\to &\$4000\\
r=rate\to 5\%\to \frac{5}{100}\to &0.05\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{quarterly, meaning 4 times}
\end{array}\to &4\\

t=years\to &2
\end{cases}$

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3 years ago

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Step-by-step explanation:

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4 years ago

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3 years ago

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X = -2y + 27<br> x - 3y = -18<br> How would I solve by substitution step by step?

Naddika [18.5K]

Answer:

Step-by-step explanation:

•Solve equation 1 for the variable x.

x = 3y - 27

•Plug this in for variable x in equation 2.

2×(3y-27) - 2y = 18

4y = 36

•Solve equation 2 for the variable y.

4y = 36

y = 9

•By now we know this much:

x = 3y-27

y = 9

•Use the y value to solve for x.

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•Solution: {x,y} = {0,9}

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3 years ago