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Dominik [7]
3 years ago
5

Find the slope intercept equation of the line

Mathematics
2 answers:
mestny [16]3 years ago
6 0
When doing slope I suggest using slope triangles:) make a dot at -3, then go to the right 3 spaces, from this point go up 2 spaces and make another dot. Do that for as long as you need your line to be:) When you go up 2 spaces use that last dot and go over 3 spaces and up 2. Keep repeating

Darina [25.2K]3 years ago
5 0

Step-by-step explanation:

For every 3 blocks across, the line graph goes up by 2 blocks. Therefore the slope of the line is 2/3.

The line also intercepts the y-axis at -3.

Hence the slope-intercept form is y = 2/3 x - 3.

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3 years ago
What is the area of triangle ABC?
Stella [2.4K]

9514 1404 393

Answer:

  C.  36√3 square units

Step-by-step explanation:

Your knowledge of special triangles tells you that height CD is ...

  CD = 6√3

so the area is ...

  A = 1/2bh

  A = 1/2(12)(6√3) = 36√3 . . . . square units

_____

<em>Additional comment</em>

The 30°-60°-90° right triangle that is half an equilateral triangle has a short side equal to half the length of the long side. The Pythagorean theorem tells you that the middle-length side is √(2²-1²) = √3 times the shortest side. That is, the side length ratios in this "special" triangle are ...

  1 : √3 : 2

This means the length DB is 12/2 = 6, and the length CD is 6√3.

7 0
3 years ago
If |14 −2x| = 20, x could equal which of the following?
HACTEHA [7]

Answer:

-3, 17

Step-by-step explanation:

|14-2x|=20 \\ \\ |7-x|=10 \\ \\ 7-x=\pm 10 \\ \\ x-7=\pm 10 \\ \\ x=7 \pm 10 \\ \\ x=-3, 17

8 0
2 years ago
How many solutions does the equation have ? |- m| = 12
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