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makaylamsikahema
17.12.2019 •
Mathematics
Arectangle has an area of 20 ft.² in a similar rectangle has an area of 180 ft.² what is the ratio of areas of the similar
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Ответ:
Ответ:
y=mx+b, where y=cost and x=months.
First find the slope, "m", (y2-y1)/(x2-x1)
m=(30.5-15.25)/(2-1)
m=15.25 so far we now have:
y=15.25x+b, we can solve for b using any point, I'll use (1, 15.25)
15.25=15.25(1)+b
15.25=15.25+b
0=b, so the cost function is:
c(m)=15.25m
c, cost, is the dependent variable because it depends on the independent variable m, months.