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omeli [17]
3 years ago
7

What is the equation of the line with a slope of 1/2, and which passes through the point (-2, 4)?

Mathematics
1 answer:
irina1246 [14]3 years ago
7 0

Step-by-step explanation:

How I figured this out is kind of plug in play with a bit of algebra, you want to get it to y = mx + b so to do that, you first need to set up your equation like (y - y1) = m(x - x1)

Plug in what you know:

(y - 4) = 1/2(x + 2)  (notice I changed the x- x1 to x + x1 because x1 in this is a negative and subtracting a negative is the same as adding)

Then figure out what you don't know:

Distribute 1/2 to x and -2

(y - 4) = 1/2x -1

add 4 on both sides to leave y by itself

<u>y = 4.5x + 3</u>

Therefore your answer should be <u>y = 4.5x + 3</u>

Let me know if I got it wrong please

Hope this helps! <3

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Half of the product of two consecutive numbers is 105. To solve for n, the smaller of the two numbers, which equation can be use
alexdok [17]
There are several information's already given in the question. Based on those information's the answer can be detrmined.
Smaller of the two integers = n
Larger of the two integers = n + 1
Then
(1/2) * [(n) * ( n + 1)] = 105
(1/2) * (n^2 + n) = 105
m^2 + n = 210
n^2 + n - 210 = 0
From the above deduction, it can be concluded that the correct option among all the options that are given in the question is the first option or option "A".
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3 years ago
Solve system by elimination <br> -5x-10y=-20<br> 10x+10y=0
bekas [8.4K]

Answer:

(-4,4)

Step-by-step explanation:

-5x-10y=-20

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that makes

-5y=-20

divide both sides by -5

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a metal strip is being installed around a workbench that is 7 feet long and 3 feet wide. find how much stripping is needed
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Answer:

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Step-by-step explanation:

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