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4 years ago

I need help this question I only need to pick 3

Mathematics

1 answer:

BARSIC [14]4 years ago

8 0

A. is 1
b. is 13
c. x= 2.549

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What linear equation in slope intercept from does this graph represent?

marshall27 [118]

Answer:

$y = 16\frac{2}{3} x + 100$ or $y = \frac{50}{3} + 100$

Step-by-step explanation:

The equation of a line is $y = mx + b$ , with $m$ being the slope and $b$ being the y-intercept.

We can see on the graph that the y-intercept, where the line crosses or touches the y-axis, is 100. So, our new equation is $y = mx + 100$ .

Now we have to find the slope. Let's pick a point that's clearly on the graph. Perhaps (3, 150). And then we'll take the y-intercept point for convenience, (0, 100).

Then, we'll use $\frac{y_{2} - y_{1}}{x_{2} - x_{1} }$ to find the slope.

Let's substitute in our points.

$\frac{150-100}{3-0}$

Simplify.

$\frac{50}{3}$

Now, we can leave the slope like that or turn it into a mixed number. As a mixed number, your slope is $16\frac{2}{3}$ .

We'll put that in our equation for a line and...bam!

$y = 16\frac{2}{3} x + 100$ or $y = \frac{50}{3} + 100$

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3 years ago

3x2 – 7x 7x = 4x – 8

ratelena [41]

Answer:

x =−1−√93/23,−1+√93/23

Step-by-step explanation:

x=0.37581090…,−0.46276742...

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