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podryga [215]
3 years ago
13

A half marathon is 13 miles how many kilometers is that

Mathematics
2 answers:
Kobotan [32]3 years ago
7 0
Hi there!


13 miles is equal to 20.921472 Kilometers.

Hope this helps!

~Alexa

eduard3 years ago
3 0
Hey!

Well we know that a mile is 5,280 feet and a KM is 3280.84 feet

So that means we can calculate and say that 

13 Miles is the same as 20.92 Km.

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4. Meagan invests $1,200 each year in an IRA for 12 years in an account that earned 5%
Nina [5.8K]
Part A)

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

\bf \qquad 
\begin{cases}
A=
\begin{array}{llll}
\textit{accumulated amount}\\
\end{array}
\begin{array}{llll}

\end{array}\\
pymnt=\textit{periodic payments}\to &1200\\
r=rate\to 5\%\to \frac{5}{100}\to &0.05\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{annually, thus once}
\end{array}\to &1\\
t=years\to &12
\end{cases}

\bf A=1200\left[ \cfrac{\left( 1+\frac{0.05}{1} \right)^{1\cdot  12}-1}{\frac{0.05}{1}} \right]\implies A\approx 19100.55

part B)

so, for the next 11 years, she didn't make any deposits on it and simple let it sit and collect interest, compounded annually at 5%.

\bf \qquad \textit{Compound Interest Earned Amount}
\\\\
A=P\left(1+\frac{r}{n}\right)^{nt}
\  
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{original amount deposited}\to &\$19100.55\\
r=rate\to 5\%\to \frac{5}{100}\to &0.05\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{annually, thus once}
\end{array}\to &1\\
t=years\to &11
\end{cases}
\\\\\\
A=19100.55\left(1+\frac{0.05}{1}\right)^{1\cdot  11}\implies A\approx 32668.42

part C)

well, for 12 years she deposited 1200 bucks, that means 12 * 1200, or 14,400.

now, here she is, 12+11, or 23 years later, and she's got 32,668.42 bucks?

all that came out of her pocket was 14,400, so 32,668.42 - 14,400, is how much she earned in interest.
6 0
4 years ago
Which is greater 0.4 or 0.137
ElenaW [278]
<h2>0.4 is greater </h2>

hope that helps :)

4 0
3 years ago
Read 2 more answers
Let f(x) = {(1, 11), (2, 12), (3, 13), (4, 12)}. Is this a function? *
lidiya [134]

Answer:

It is a function.

Step-by-step explanation:

It is a function because for every given x value you have a different y value.

8 0
3 years ago
CH3CH2CHCH2CH3OH name ?<br>​
Kobotan [32]
Answer:
Pentane

Explanation:
5 0
3 years ago
PLSS HELP IM DESPERATE
Damm [24]

If He rides back home, taking the same route, on a bus that travels at a rate of 40mi/hr. The entire trip takes 3.5 hrs. How far along this route is Terrence’s house from the theater is : 50 mile.

<h3>Distance </h3>

Movie time = 2hrs and 15mins

Let convert the movie time

2hrs and 15mins = 2 15/60 h = 2 1/4 h = 2.25 h

Now let calculate the bus time and the distance

Bus time = Entire time - Walking time

Bus time = 3.5 h - 2. 25 h

Bus time =  1.25 h

Now let calculate the distance

Distance = Speed × Time

Distance =  40mi/hr ×  1.25 h

Distance = 50 mile

Therefore the distance is 50 mile.

Learn more about distance here:brainly.com/question/10823406

#SPJ1

3 0
2 years ago
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