2 years ago

Help correct get brainly lol

Mathematics

2 answers:

ryzh [129]2 years ago

7 0

Answer:

there are seven variable terms

Step-by-step explanation:

variables are letters (a, b, c, etc.)

i hope this helps :)

kykrilka [37]2 years ago

5 0

Answer:

The answer is 4 because are all separate variables (also combines into one variable)

Step-by-step explanation:

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Mary ran 2 miles in about 23 minutes. If she continued at the same pace, how long will it take her to run 10 miles?

8090 [49]

Answer:

115 minutes ( 1 hour and 55 minutes)

Step-by-step explanation:

Divide 23 by 2 to find out how fast she can run 1 mile

11.5

Now multiply 11.5 by 10

115 minutes

Hope this helped :)

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7 0

3 years ago

a grandmother deposits $6000 in an account that pays 9% compounded monthly. What will be the value of the account at the child'

valkas [14]

now, we're assuming she made the deposit at the child's birth, namely when year was 0, at the child's twenty-first birthday that'll be 21 years later.

$~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$6000\\ r=rate\to 9\%\to \frac{9}{100}\dotfill &0.09\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{monthly, thus twelve} \end{array}\dotfill &12\\ t=years\dotfill &21 \end{cases} \\\\\\ A=6000\left(1+\frac{0.09}{12}\right)^{12\cdot 21}\implies A=6000(1.0075)^{252}\implies A\approx 39437.11$