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soldi70 [24.7K]
2 years ago
9

Andrew has already played 32 minutes on his video game today and wants to play an additional 15 minutes each of x games after sc

hool today. What equation can be used to find y, the total minutes Andrew will play video games today?
Mathematics
1 answer:
artcher [175]2 years ago
7 0

Answer:

y = 15x+32

Step-by-step explanation:

Given

y to be the total minutes Andrew will play video games today

x is the total number of games played after school

If he wants to play an additional 15 minutes each of x games after school today, the total minutes he will use for the x games will be 15* x = (15x)minutes

We are told that he has initially spent 32minutes on video games. hence;

Total minutes Andrew used on games y = (15*x)+32

The required equation will be y = 15x+32

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$7000 is compounded semiannually at a rate of 11% for 21years Find the total amount and round to the nearest cent
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\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,\\
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\text{r is the interest rate, }r=11\%=0.11\\
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\text{n is the number of times in a year, here semiannulay, so }n=2,\\
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\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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Answer:

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Step-by-step explanation:

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divide by 8887.2

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to the nearest hundredth

f = .39

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