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Mathematics

1 answer:

Irina18 [472]2 years ago

6 0

Answer:

I just took the test and the correct answer is -6 is not in the domain of f g

Step-by-step explanation:

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Can you help me with 10 and 12

lubasha [3.4K]

Here are the answers for 10 and 12

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3 years ago

If an investment of $3000 grows to $4432.37 in eight years with interest compounded annually , what is the interest rate?

melamori03 [73]

$\bf \qquad \textit{Compound Interest Earned Amount}
\\\\
A=P\left(1+\frac{r}{n}\right)^{nt}
\quad 
\begin{cases}
A=\textit{accumulated amount}\to &\$4432.37\\
P=\textit{original amount deposited}\to &\$3000\\
r=rate\to r\%\to \frac{r}{100}\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{annually, thus once}
\end{array}\to &1\\
t=years\to &8
\end{cases}$

$\bf 4432.37=3000\left(1+\frac{r}{1}\right)^{1\cdot 8}\implies \cfrac{4432.37}{3000}=(1+r)^8
\\\\\\
\sqrt[8]{\cfrac{4432.37}{3000}}=1+r\implies \sqrt[8]{\cfrac{4432.37}{3000}}-1=r
\\\\\\
0.0500001086\approx r\qquad\qquad\cfrac{r\%}{100}\approx 0.0500001086
\\\\\\
r\%\approx 100\cdot 0.0500001086\implies r=\stackrel{\%}{5}$

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3 years ago

It's 9 4/5 miles from Justin's house to the art museum the distance to the history museum is 9/10 this far

Leno4ka [110]

The history museum is less that 9 4/5 miles. 9/10 means that the 9 3/4 mile is broken up into 10 equal parts and the distance to the museum is only 9 of those parts. 9 3/4 (9.8) divided by 10 equals 98/100 (.98)
98/100 x 9 = 882/100 or 8.82

Justin's house is 8.82 miles from the museum.

6 0

3 years ago

Read 2 more answers

Round 0.3782;hundredths

natali 33 [55]

Answer:

hundredth:0.3800

thousand:0.4000

tenth:0.3780

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3 years ago

Is the equation 4 x^2 + 2 x - 4=5 x^2<br> linear or quadratic?