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Rom4ik [11]
3 years ago
8

NEEED HELP PLEASEEEEE

Mathematics
1 answer:
andriy [413]3 years ago
6 0

Answer:

10/10

Step-by-step explanation:

Ez..........................................................

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What is an equation of the line that passes through the point (3,-1) and (8, 9)?
Evgesh-ka [11]

Answer:

4) y = 2x - 7

Step-by-step explanation:

First we have to find the slope by using the following formula....

let (3, - 1) be (x_{1}, y_{1} ), let (8, 9) be (x_{2} ,y_{2} ), and m be the slope, then....

m = \frac{y_{2} -y_{1} }{x_{2} - x_{1} } = \frac{9 + 1}{8 - 3} = \frac{10}{5} = 2

Now that we know the slope we can find the equation of the function by using point-slope for of the function which look like this.....

y -y_{1} = m(x - x_{1} )\\y + 1 = 2(x - 3)\\y + 1 = 2x - 6\\y = 2x - 7

3 0
3 years ago
- 1/2 - 2/3v = 4/5 please help
Maru [420]

Answer:

v = - \frac{39}{20}

Step-by-step explanation:

Given

- \frac{1}{2} - \frac{2}{3} v = \frac{4}{5}

Multiply through by 30 ( the LCM of 2, 3 and 5 )

- 15 - 20v = 24 ( add 15 to both sides )

- 20v = 39 ( divide both sides by - 20 )

v = - \frac{39}{20}

3 0
3 years ago
Read 2 more answers
Mark receives $2,200 a month in income. He wants to put 14% into a college savings account. How much money should he put into th
KiRa [710]

Answer:

308 dollars

Step-by-step explanation:

Really all we have to do, is find 14 percent of 2200. We can do this by dividing. Our resoulution is 308.

4 0
4 years ago
Read 2 more answers
3(x−1)=15<br><br><br> what is x and how did you get it i need help pleasee
notka56 [123]
Answer:

3(x-1)=15 - divide both sides by 3

X-1=5- move the constant to the right and
change the sign

X=5+1 - Add

X=6
8 0
3 years ago
How do I find the value of x for a pair of congruent triangles
Andreyy89
Hi there!

For congruent triangles, all angle measures and sides are congruent. So, if you look at the other triangle, and find the corresponding side, it will be the same measure.

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
6 0
4 years ago
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