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Sagot :
Answer:
3.) 3.5 hours
Step-by-step explanation:
3.)
5 = -2x + 12
-12 -12
-7 = -2x
\ -2 \ -2
-7/-2 = 3.5 hours
4.) The equation is written in slope intercept form which means y = mx + b
m= slope
b = y-intercept
To figure out the y-intercept, you look when the graph is 0 at x which was 32
To figure out the slope you do rise over run subtracting the two points from each other
86-32/30-0 = 54/30 = 9/5
This means the equation is y= 9/5x + 32
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