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Mice21 [21]
3 years ago
13

The points (-5, -22) and (4, r) lie on a line with slope 3. Find the missing coordinate r.

Mathematics
1 answer:
lara [203]3 years ago
5 0

Step-by-step explanation:

here,

x1= -5. x2=4

y1= -22. y2=r

slope(m)=3

now we have,

m=(y2-y1)/(x2-x1)

or,3=(r-(-22))/(4-(-5))

or,3=(r+22)/(4+5)

or,3=(r+22)/9

or,27=r+22

or,r=27-22

or,r=5

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