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Lynna [10]
3 years ago
5

Identify as indicating a linear function or quadratic function. f (x) = ax^2 + bx +c ​

Mathematics
1 answer:
NemiM [27]3 years ago
7 0
I’m 99% sure It is a quadratic function
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(2x+2y=10)+(-x+y=1)
ruslelena [56]
\bf \begin{cases}
2x+2y=10\\
-x+y=1
\end{cases}\\\\
-------------------------------\\\\
-x+y=1\implies y=1+x\impliedby \textit{let's plug that in the first equation}
\\\\\\
2x+2(\stackrel{y}{1+x})=10\implies 2x+2+2x=10\implies 4x=8
\\\\\\
x=\cfrac{8}{4}\implies \boxed{x=2}\impliedby \textit{let's plug that in the second one}
\\\\\\
-(\stackrel{x}{2})+y=1\implies \boxed{y=3}
7 0
3 years ago
Scientists estimate there are _____ different plant species.
Law Incorporation [45]

The answer is B.

There are about 391,000 of plants currently known to science.

Hope this helps.

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4 7/12 divided by 3/4 multipled by 3/11
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Here is the answer With working

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3 years ago
What is a linear system?
Darya [45]

Answer:

Linear systems are systems of equations in which the variables are never multiplied with each other but only with constants and then summed up

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-7x+y=-19<br> -2x+3y=-19
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-7-2=-9
y+3y=4y

-9x+4y=-19
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