Mathematics: Re-write in slope-intercept form of an equation: x- 2y = 4

Re-write in slope-intercept form of an equation:

Ответ:

pr173418

07.02.2022

The final equation is $\bold{y=-\frac{1}{2}x -2}$ .

Step-by-step explanation:

To rewrite an equation in slope-intercept form, our equation must be in $\text{y = mx + b}$ form. This means the y-variable must be on the left side of the equation and the slope and y-intercept must be on the right side of the equation. We can do this by moving the equation around.

$\text{y = mx + b \ \ This is the equation we want to reach.}\\\\\text{x - 2y = 4 \ \ This is what we are given.}\\\\\text{-2y = -x + 4 \ \ Move the x to the right by subtracting it from both sides.}\\\\{y = -\frac{1}{2}x - 2} \ \ \text{When we divide by two, we get this.}$

And then, we're done! Our final answer is $y=-\frac{1}{2}x -2$ .

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Ответ:

lily0806

13.03.2020

Mathematics

n = 20

Step-by-step Explanation:
When dealing with ratios, there is always most likely a second number given to you. This number is going to be 1.
When looking for n, you have to look for all of the numbers, in this case there is only two.
1 is the hour, so now you just need the 20 minutes.
If the ratio is 1:n, this means that n would have to equal 20.
1:20

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Re-write in slope-intercept form of an equation: x- 2y = 4

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