wilkvictor07
30.05.2020 •
Mathematics
Zack is building a model sailboat. The mast will have two inches of height below the base of the main sail, as shown in the diagram below. He wants the base of the sail to have a length of 11 inches and
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Ответ:
y= -0.75x+5.75
Step-by-step explanation:
so, if y=mx+c
the gradient is m, which is equal to (y1-y2)/(x1-x2), (2--4)/(-5-3) = 6/-8=-0.75
so y= -0.75x+c
substitute y and x values
2(y)= -0.75(m)*-5(x)+c
2=-0.75*5+c
2= -3.75+c
5.75=c
so in the end, y= -0.75x+5.75