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3 years ago

Solve -8=x+11 divided by -2 please and thank you

1 answer:

4 0

Answer:

Explanation:

-8 = (x + 11)/2
-8 • 2 = x + 11
-16 = x + 11
-16 - 11 = x
-27 = x
Or x = -27

Check:
-8 = (-27 + 11)/2
-8 = -16/2
-8 = -8

Therefore, x = -27

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3 years ago

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Answer:

$720

Step-by-step explanation:

Given the following functions

Cost function C(x)=50x+400

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P(x) = 80x-0.05x^2 - 50x - 400

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4 years ago

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A principal of $4,570 is placed in an account that earns 4. 5% interest. If the interest is compounded annually, how much money

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$~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$4570\\ r=rate\to 4.5\%\to \frac{4.5}{100}\dotfill &0.045\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{annually, thus once} \end{array}\dotfill &1\\ t=years\dotfill &5 \end{cases} \\\\\\ A=4570\left(1+\frac{0.045}{1}\right)^{1\cdot 5}\implies A=4570(1.045)^5\implies A\approx 5695.05$

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3 years ago