honestty21
31.07.2019 •
Mathematics
What is the slope of the line joining (10,9) and (40, 3)?
a. -5
b.-4
c.-1/5
d.1/5
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Ответ:
Step-by-step explanation:
m = (y2 - y1) / (x2 - x1)
m = (3 - 9) / (40 - 10)
m = -6/30
m = -1/5
c. is the correct answer.
Ответ:
Plug the -2 in for the x in both separate equations to get
M< XYW = 32°
M< WYZ = 85°