how much of other chemicals must be evaporated from 400grams of a hand sanitizer that is 24% alcohol to strengthen it to a hand
sanitizer that is 30% alcohol? correct your answer to the nearest whole number
2 answers:
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6) slope is 1, y-intercept is 3, equation in slope-intercept form:
7) Slope of the line that goes through the points (3,9) and (-5,3) is
8) Slope = m=
y-intercept = b= -4
Step-by-step explanation:
6) Create table of coordinate points:
x y
-2 1
-1 2
0 3
1 4
2 5
Identify the slope:
Using formula:
Putting values:
So, slope is 1
Identify y-intercept.
y-intercept is found when x=0, so, looking at the table when x = 0, y= 3 so, y-intercept is 3
Equation in the form: y=mx+b
here m is slope and b is y-intercept
Putting values:
So, equation in slope-intercept form:
7) Find the slope of the line that goes through the points (3,9) and (-5,3)
Using formula:
Putting values:
So, slope of the line that goes through the points (3,9) and (-5,3) is
8) What is the slope and y-intercept of the following equation:
The equation is in slope-intercept form
The general equation of slope-intercept form is:
where m is slope and b is y-intercept
Comparing both equations we get:
Slope = m=
y-intercept = b= -4
Keywords: Equation of line using Slope
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