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Triss [41]
3 years ago
8

How to find coordinates of S

Mathematics
1 answer:
erastova [34]3 years ago
4 0

It's more easy, from the first question you already know the equations, you want to find S, so you have to find those two equations intersection, which means:

1/2x-1=-2x+9

1/2x+2x=9+1

2.5x=10

x=4

then put x=4 in to any of the equation: y=-2x+9.    x=4

y=-2x4+9

y=-8+9

y=1

so the coordinate of S is (4,1)


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