rickse10
rickse10 rickse10
  • 01-12-2020
  • Mathematics
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plz help asap ////////////////

plz help asap class=

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Аноним Аноним
  • 01-12-2020

Answer:

y= -2x + 80

Step-by-step explanation:

First, you need to find the slope, which can be done by subtracting the change in y over the change in x. The easiest points to pick are (30,20) and (40,0). Do 20-0 which is -20, then divide that by 40-30, and you get -2. Then to find the y intercept, pick a point (like 40,0). Then do 0 = -2(40) + b, and solving for b you get 80.

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