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kanga06
21.03.2020 •
Mathematics
Find the slope of the line through (-1, 9) and (-16, -3)
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Ответ:
4/5
Step-by-step explanation:
To find the slope given two points
m = (y2-y1)/(x2-x1)
= (-3 -9)/(-16--1)
= (-3-9)/(-16+1)
=-12/-15
=12/15
=4/5
Ответ:
196π cm²
Step-by-step explanation:
A=4πr²
r= 7cmA=4π*7²=4*49π=196π cm²