Brainlest if first

Mathematics

2 answers:

photoshop1234 [79]3 years ago

6 0

I think it’s 3 and 1/3- that’s the mixed number and I u wanna write it in improper fraction it’s 10/3

vazorg [7]3 years ago

5 0

<h2><u><em>Question:</em></u></h2><h2><u><em>2/3 of lawn mowed in 1/5 hours. how many more similar sized lawns can she mow in 1 hour.</em></u></h2><h2><u><em>Answer:</em></u></h2><h2><u><em>I think it’s 3 and 1/3- that’s the mixed number and I u wanna write it in improper fraction it’s 10/3</em></u></h2>

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Read 2 more answers

$7000 is compounded semiannually at a rate of 11% for 21years Find the total amount and round to the nearest cent

photoshop1234 [79]

$\text{Given that }\$7000 \text{ is compounded semiannualy at a rate of }11\% \text{ for 21 years}\\
\\
\text{we know that the amount after t year when compounded is given by}\\
\\
A=P\left ( 1+\frac{r}{n} \right )^{nt}\\
\\
\text{here P is the principal amoount, so }P=7000,\\
\\
\text{r is the interest rate, }r=11\%=0.11\\
\\
\text{n is the number of times in a year, here semiannulay, so }n=2,\\
\\
\text{and t is the time, so }t=21\\
\\
\text{so the amount after 21 years is}$

$A=7000\left ( 1+\frac{0.11}{2} \right )^{2(21)}\\
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\Rightarrow A=7000\left ( 1+0.055 \right )^{42}\\
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\Rightarrow A=7000\left ( 1.055 \right )^{42}\\
\\
\Rightarrow A\approx 66328.68$

So the amount after 21 years is: $66328.68

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3 years ago

Hello I need help on this math question

Licemer1 [7]

Answer:

94.2 in squared

Step-by-step explanation:

lateral area plus area of both flat sides

37.68 + 2(3.14*3^2)

37.68 + 56.52 = 94.2 in squared

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3 years ago