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katen-ka-za [31]
2 years ago
7

What is the function rule for the line?

Mathematics
2 answers:
11Alexandr11 [23.1K]2 years ago
5 0
So with these equations we need to find the y-intercept and the slope because:

y = mx+b

y = f(×)

b = y-intercept

m = slope (slope = rise/run, rise over run)

rise is y-axis
run is x-axis

The y-intercept is (0,-2)
So now we know that one of the answers must have -2 in it

b = -2

m= rise/run = -2/3

The answer is:

f(x) = - \frac{2 }{3 } x - 2
kenny6666 [7]2 years ago
3 0

Answer:its correct got a 100

Step-by-step explanation:

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Ksivusya [100]

the area A of the cross section of the column is (81\pi )m^2 .

<u>Step-by-step explanation:</u>

Here we have , building engineer analyzes a concrete column with a circular cross section. The circumference of the column is 18π, pi meters. We need to find What is the area A of the cross section of the column .Let's find out:

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⇒ \frac{18\pi}{2\pi }=r

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Therefore , the area A of the cross section of the column is (81\pi )m^2 .

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Answer:

The first choice

Step-by-step explanation:

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