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Elza [17]
4 years ago
8

9 — 3x = у 3х – у = -2

Mathematics
1 answer:
Phoenix [80]4 years ago
6 0

Answer:

This could be wrong, but i still wanted to help you.

Step-by-step explanation:

9-3x=y

+9      +9

3x=y

÷3   ÷3

x=y/3

Im sorry if this is wrong

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Toni bought some jazz records at $4 each and some classical records at $6 each. If her purchases totaled $46,?
Zigmanuir [339]

Answer:

1 jazz and 7 classical; 4 jazz and 5 classical; 7 jazz and 3 classical; 10 jazz and 1 classical

Step-by-step explanation:

Turn the problem into an equation with x representing the number of jazz records and y as the number of classcial records. The equation will look like this: 4x+6y=46

We can graph this equation

The possibilites are when both the x and y are positive and are whole numbers because you can't buy negative records and you can't buy fractions of records.

4 0
3 years ago
Caden is a bird enthusiast and is trying to estimate the number of hawks living in his region. He traps 23 hawks and tags them.
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3 years ago
What is measure of angle R?
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6 0
3 years ago
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11000 is compounded semiannually at a rate of 12% for 21 years. Find the total amount in the compound interest account
marishachu [46]

\bf ~~~~~~ \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 &\$11000\\
r=rate\to 12\%\to \frac{12}{100}\dotfill &0.12\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{semiannually, thus twice}
\end{array}\dotfill &2\\
t=years\dotfill &21
\end{cases}


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4 years ago
A rate of 4 centimeters per second is equal to how many meters per hour?
vampirchik [111]
So, let's start with the basics.
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(60*60)4
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144 meters
4 0
3 years ago
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