Angela1998
25.05.2021 •
Mathematics
Clases Frecuencia Frecuencia Relativa
25 - 30 6 0.2
30 - 35 3 0.1
35 - 40 13 0.43
40 - 45 8 0.27
Total 30
Solved
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Ответ:
2x+y-9=0
Step-by-step explanation:
let's take two co ordinates
(X1,y1)=(4,1)
(X2,y2)=(3,3)
Equation using two point :
(y-y1)/(y2-y1)=(x-x1)/(x2-x1)
plug in the values,(y-1)/(3-1)=(x-4)/(3-4)
(y-1)/2=(x-4)/-1
-1*(y-1)=(x-4)*2
-y+1=2x-8
0=2x+y-9
2x+y-9=0