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kozerog [31]
2 years ago
7

What is an equation of the line that passes through the points (−2,8) and (1,−1)

Mathematics
1 answer:
dem82 [27]2 years ago
3 0

Answer:

y = -3x + 2

Explanation:

Do the rise over run equation to find slope

Slope = 3

Plug in slope to equation and also choose one of the coordinate points to plug in x and y so you can find b

Plug in all of this to get final y=mx+b form

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Yes you can divide fractions using models here is an example


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3 years ago
A researcher gathers a sample of n=89 people to try a new
muminat

Answer:

24

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2 years ago
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Dovator [93]
I would show you the picture with the work but I am on my computer because I am charging my phone.. So, I will just show the work 

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5 0
3 years ago
C + d = 60<br> 2.5c + 1.75d = 123.75
likoan [24]

Answer:

  (c, d) = (25, 35)

Step-by-step explanation:

Multiply the first equation by 2.5 and subtract the second one:

  2.5(c +d) -(2.5c +1.75d) = 2.5(60) -(123.75)

  0.75d = 26.25 . . . . . . . . . simplify

  26.25/0.75 = d = 35 . . . . divide by the coefficient of d

  60 -d = c = 25 . . . . . . . . . use the first equation to find c

(c, d) = (25, 35)

3 0
2 years ago
What is f(8)=0.8(8)^2
Montano1993 [528]

Answer:

f = 5.12

Step-by-step explanation:

f(8)=0.8(8)^2

f(8)=6.4^2

f(8)=40.96

f(8)/8 = 40.96/8

f = 5.12

i'd really appreciate being marked brainliest if you want! i appreciate it :)

7 0
2 years ago
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