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ludmilkaskok [199]

3 years ago

11

The Johnson’s great room is rectangular , 30 feet by 25 feet and has a 12-foot ceiling. How many square feet of carpet is needed

to cover is needed to cover the floor? What information is unnecessary in the problem

1 answer:

Oksana_A [137]3 years ago

4 0

that the celling is 12 feet

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$\bf \qquad \qquad \textit{Amortized Loan Value}
\\\\
pymt=P\left[ \cfrac{\frac{r}{n}}{1-\left( 1+ \frac{r}{n}\right)^{-nt}} \right]
\\\\$

$\bf \begin{cases}
P=
\begin{array}{llll}
\textit{original amount}\\
\end{array}\to &
\begin{array}{llll}
\quad89900\\
\ \ -20\%\\
-17980\\
-----\\
\quad 71920
\end{array}\\
pymt=\textit{periodic payments}\\
r=rate\to 5\%\to \frac{5}{100}\to &0.05\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{payments are monthly, thus}
\end{array}\to &12\\
t=years\to &15
\end{cases}
\\\\\\
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Step-by-step explanation:

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