B. 1/40…. You divide 1/2 by 20 to find out how much hand sanitizer was used on each desk. You can keep change flip meaning keep the 1/2 change the division to multiplication and flip the 20 to 1/20 then multiply. 1/2 by 1/20 which equals 1/40.
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Answer:
10
Step-by-step explanation:
Since the Y axis is the same you add 3+|-7|
so thats 10, which makes your answer 10
Answer:
An equation in slope-intercept form of the line will be
Step-by-step explanation:
The slope-intercept form of the line equation
y = mx+b
where m is the slope and b is the y-intercept
Given the points
Finding the slope between (-1,-1) and (1,0)
![\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}](https://tex.z-dn.net/?f=%5Cmathrm%7BSlope%7D%3D%5Cfrac%7By_2-y_1%7D%7Bx_2-x_1%7D)
![\left(x_1,\:y_1\right)=\left(-1,\:-1\right),\:\left(x_2,\:y_2\right)=\left(1,\:0\right)](https://tex.z-dn.net/?f=%5Cleft%28x_1%2C%5C%3Ay_1%5Cright%29%3D%5Cleft%28-1%2C%5C%3A-1%5Cright%29%2C%5C%3A%5Cleft%28x_2%2C%5C%3Ay_2%5Cright%29%3D%5Cleft%281%2C%5C%3A0%5Cright%29)
![m=\frac{0-\left(-1\right)}{1-\left(-1\right)}](https://tex.z-dn.net/?f=m%3D%5Cfrac%7B0-%5Cleft%28-1%5Cright%29%7D%7B1-%5Cleft%28-1%5Cright%29%7D)
![m=\frac{1}{2}](https://tex.z-dn.net/?f=m%3D%5Cfrac%7B1%7D%7B2%7D)
substituting m = 1/2 and (-1, -1) in the slope-intercept form of the line equation to determine the y-intercept
![y = mx+b](https://tex.z-dn.net/?f=y%20%3D%20mx%2Bb)
![-1=\frac{1}{2}\left(-1\right)+b](https://tex.z-dn.net/?f=-1%3D%5Cfrac%7B1%7D%7B2%7D%5Cleft%28-1%5Cright%29%2Bb)
![-\frac{1}{2}+b=-1](https://tex.z-dn.net/?f=-%5Cfrac%7B1%7D%7B2%7D%2Bb%3D-1)
Add 1/2 to both sides
![-\frac{1}{2}+b+\frac{1}{2}=-1+\frac{1}{2}](https://tex.z-dn.net/?f=-%5Cfrac%7B1%7D%7B2%7D%2Bb%2B%5Cfrac%7B1%7D%7B2%7D%3D-1%2B%5Cfrac%7B1%7D%7B2%7D)
![b=-\frac{1}{2}](https://tex.z-dn.net/?f=b%3D-%5Cfrac%7B1%7D%7B2%7D)
substituting m = 1/2 and b = -1/2 in the slope-intercept form of the line equation
![y = mx+b](https://tex.z-dn.net/?f=y%20%3D%20mx%2Bb)
![y\:=\frac{1}{2}x+\left(-\frac{1}{2}\right)](https://tex.z-dn.net/?f=y%5C%3A%3D%5Cfrac%7B1%7D%7B2%7Dx%2B%5Cleft%28-%5Cfrac%7B1%7D%7B2%7D%5Cright%29)
![y\:=\frac{1}{2}x-\frac{1}{2}](https://tex.z-dn.net/?f=y%5C%3A%3D%5Cfrac%7B1%7D%7B2%7Dx-%5Cfrac%7B1%7D%7B2%7D)
Therefore, an equation in slope-intercept form of the line will be