3 years ago

Please help me idk this

Mathematics

2 answers:

maria [59]3 years ago

7 0

Answer:

it will 320 square inches of space

miskamm [114]3 years ago

3 0

Answer:

320

Step-by-step explanation:

16*20=320

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There are 3 times as many students participating in the hiking trip this year than last year. There are 42 students on the trip

dalvyx [7]

Answer:

Step-by-step explanation:

42 divided by 3 is 14

8 0

3 years ago

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A mother invests $7000 in a bank account at the time of her daughter's birth. The interest is 18) compounded quarterly at a rate

Alex

well, from birth to your twentieth birthday that'll just be 20 years, so

$~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$7000\\ r=rate\to 8\%\to \frac{8}{100}\dotfill &0.08\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{quarterly, thus four} \end{array}\dotfill &4\\ t=years\dotfill &20 \end{cases} \\\\\\ A=7000\left(1+\frac{0.08}{4}\right)^{4\cdot 20}\implies A=7000(1.02)^{80}\implies A\approx 34128.07$