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sweet [91]
3 years ago
11

What is the slope of the line through [-1,2] and [2,-3]

Mathematics
1 answer:
Gennadij [26K]3 years ago
8 0

Answer:

-3/5

Step-by-step explanation:

to figure that out you have to do y^2 - y^1/ x^2 - x^1

2-(-1)/ -3 - 2

= 3/-5

=-3/5

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<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B2%7D%20%20%2B%20%20%5Cfrac%7B1%7D%7B3%7D%20" id="TexFormula1" title=" \fra
beks73 [17]

Here is you're answer:

In order to get the answer you have to find the common denominator then add.

  • \frac{1}{2} + \frac{1}{3}
  • Find common denominator:
  • CD = 6
  • Add:
  • 1 + 1 = 2
  • = \frac{2}{6}
  • Simplify:
  • \frac{2}{6} \div 2 = \frac{1}{3}
  • = \frac{1}{3}

Therefore you're answer is "1/3."

Hope this helps!

3 0
3 years ago
What is 89 divided by 27 plus 300 divided by 30
Virty [35]
13.2962963 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
3 0
3 years ago
Find the standard form of the equation of the parabola with a focus at (-2, 0) and a directrix at x = 2.
Leokris [45]
Standard form is, hold a sec

x=2 is directix
that means it opens left or right
so we must use
(y-k)²=4p(x-h)
where vertex is (h,k) and p is distance from focus to vertex
also shortest distance from vertex to directix
the shortest distance from focus to directix is 2p
if p>0 then the parabola opens right
if p<0 then pareabola opens left

so
(-2,0) and x=2
the distance is 4
4/2=2
p=2
wait, positive or negative
focus is to the left of the directix so p is negative
p=-2

vertex is 2 to the right of the focus and 2 to the left of directix
vertex is (0,0)

so
(y-0)²=4(-2)(x-0) or
y²=-8x is da equation
not sure what form is standard tho
4 0
2 years ago
How to solve 2x-5+3a-5x+10a for combining like terms
vladimir1956 [14]
2x -5x
3a + 10a
And -5
Combine and you get:

-3x + 13a - 5
7 0
3 years ago
What is the most logical first step in solving the equation x2 + 6x +9 = 10?
Shalnov [3]

Answer:

<u>D</u>

Step-by-step explanation:

The logical step is to <u>factorize the left side of the equation</u>, which becomes:

  • (x + 3)² = 10

Then, you can take the square root on both sides.

  • x + 3 = ±√10
  • x = ±√10 - 3

Not asked, but good to understand the procedure regardless.

8 0
1 year ago
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