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goldfiish [28.3K]
3 years ago
8

Write the slope-intercept form equation of the line that passes through (1,-1) and (2, 2).​

Mathematics
1 answer:
mixer [17]3 years ago
4 0

Answer:

The answer to your question is y= 3x - 4.

Step-by-step explanation:

Plot the points (1,-1) and (2,2) and get your slope, in the case of slope-intercept form "m" using the rise/run method. You rise 3 units and run one unit to the right to get from (1,-1) to (2,2), so your slope is 3/1 or just simply 3. -4 is your y-intercept, or "b", because if you plot the two aforementioned points (1,-1) and (2,2) and make a line with them, your line meets the y-axis at the point (0, -4). Hope this helps!

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What is the value of f?<br><br> 6f−12=−4f+6
Xelga [282]

First you had to add by twelve from both sides of equation form.

6f-12+12=-4f+6+12

Then simplify.

6f=-4f+18

Next, add by four-f from both sides of equation form.

6f+4f=-4f+18+4f

Simplify.

10f=18

Then you divide by ten from both sides of equation form.

\frac{10f}{10}= \frac{18}{10}

Finally simplify by equation.

f=\frac{9}{5}

Final answer: \boxed{f=9/5}

Hope this helps!

And thank you for posting your question at here on brainly, and have a great day.

-Charlie



3 0
3 years ago
Someone please help me
riadik2000 [5.3K]

Answer:

5.625

Step-by-step explanation:

So first do 112 / 360

Simplify it = 28 / 90 = 14 / 45

So 1.75 is 14 / 45 of the circumference.

The whole circumference is 1.75 * (45 / 14)

So the answer is 45 / 8 = 5.625

3 0
2 years ago
On a piece of paper, use a protractor to construct a triangle with angle measures of 30° and 50º.
sweet [91]

The third option, 100*

making it an abtuse triangle

If incorrect, sorry

4 0
3 years ago
Triangle UVW is formed by the three squares G, H, and I:
Alinara [238K]

Answer:

The correct answer would be C- (UV)2 + (VW)2 = (UW)2, because 81 + 144 = 225

-Thank you

3 0
3 years ago
Read 2 more answers
Let μ denote the true average radioactivity level(picocuries per liter). The value 5 pCi/L is considered thedividing line betwee
VMariaS [17]

Answer:

H0: μ = 5 versus Ha: μ < 5.

Step-by-step explanation:

Given:

μ = true average radioactivity level(picocuries per liter)

5 pCi/L = dividing line between safe and unsafe water

The recommended test here is to test the null hypothesis, H0: μ = 5 against the alternative hypothesis Ha: μ < 5.

A type I error, is an error where the null hypothesis, H0 is rejected when it is true.

We know type I error can be controlled, so safer option which is to test H0: μ = 5 vs Ha: μ < 5 is recommended.

Here, a type I error involves declaring the water is safe when it is not safe. A test which ensures that this error is highly unlikely is desirable because this is a very serious error. We prefer that the most serious error be a type I error because it can be explicitly controlled.

7 0
2 years ago
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