The equation of line n is 8x - 14y + 3 = 0.

Mathematics

1 answer:

tresset_1 [31]3 years ago

3 0

For parallel lines:<span>
</span>"All parallel lines have the same slope!"

As these lines should be parallel, so their slopes would be the same.

Slope of line n:
8/14 = 4/7

Slope of the other line:
k/7

Equating them:
4/7 = k/7

Clearly means that k=4

I hope you got the idea!

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11000 is compounded semiannually at a rate of 12% for 21 years. Find the total amount in the compound interest account

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$\bf ~~~~~~ \textit{Compound Interest Earned Amount}
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A=P\left(1+\frac{r}{n}\right)^{nt}
\quad
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{original amount deposited}\dotfill &\$11000\\
r=rate\to 12\%\to \frac{12}{100}\dotfill &0.12\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{semiannually, thus twice}
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\end{cases}$