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2 years ago

Please helpppppppp

Mathematics

1 answer:

Sedbober [7]2 years ago

5 0

Scala factors are used to compress or enlarge an image.

The actual length and width of the basketball court are 84 feet and 25 feet, respectively.

<h3>How to determine the actual length and width</h3>

From the question, the scale measurements are:

Length = 10.5 feet

Width = 6.25 feet

Given that the scale factor is 8.

The actual dimensions are the product of the scale dimensions by 8.

So, we have:

Actual length = 10.5 feet * 8 = 84 feet

Width = 6.25 feet * 4 = 25 feet

Hence, the actual length and width of the basketball court are 84 feet and 25 feet, respectively.

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zhuklara [117]

$\bf \qquad \qquad \textit{Future Value of an ordinary annuity}
\\\\
A=pymnt\left[ \cfrac{\left( 1+\frac{r}{n} \right)^{nt}-1}{\frac{r}{n}} \right]$

$\bf \begin{cases}
A=
\begin{array}{llll}
\textit{original amount}\\
\textit{already compounded}
\end{array} &
\begin{array}{llll}

\end{array}\\
pymnt=\textit{periodic payments}\to &
\begin{array}{llll}
485\cdot 12\\
\underline{5280}
\end{array}\\
r=rate\to 6\%\to \frac{6}{100}\to &0.06\\
n=
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\textit{times it compounds per year}\\
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\end{array}\to &1\\

t=years\to &4
\end{cases}
\\\\\\
$

$\bf A=5280\left[ \cfrac{\left( 1+\frac{0.06}{1} \right)^{1\cdot 4}-1}{\frac{0.06}{1}} \right]$

Joe is making $485 payments monthly, but the amount gets interest on a yearly basis, not monthly, so the amount that yields interest is 485*12

also, keep in mind, we're assuming is compound interest, as opposed to simple interest

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