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abruzzese [7]
3 years ago
12

Evaluate. Write your answer as a fraction or whole number without exponents. 3^–2 =

Mathematics
1 answer:
Ad libitum [116K]3 years ago
4 0

Answer:

The answer is 1/9

Step-by-step explanation:

3^-2 can be written as 1/3²

And

1/3² = 1/9

Hope this helps you

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19

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Fraction greater than 1​
Natali [406]

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Step-by-step explanation:

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You invest $9000 with a 6% interest rate compounded semiannually. After 9 yrs, how much money is in your account?
astraxan [27]
\bf \qquad \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}\to &\$9000\\
r=rate\to 6\%\to \frac{6}{100}\to &0.06\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{semi-annually, thus twice}
\end{array}\to &2\\

t=years\to &9
\end{cases}
\\\\\\
A=9000\left(1+\frac{0.06}{2}\right)^{2\cdot 9}
7 0
3 years ago
Help plz will mark Brainly
irina1246 [14]

Answer:

126 inches

Step-by-step explanation:

If your drawing is on a 1 : 40 scale, to find the scale's height, divide the ride's height by 40.

420 / 40 = 10.5

So the drawing will be 10.5 feet tall.

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10.5 * 12 = 126 inches

3 0
3 years ago
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