Answer:
De nombre
Step-by-step explanation:
Lorsque vous faites des probabilites,vous devez denombre, cest-a-dire computer le nombre d elements se realisant par rapport au nombre d'element's presents Dan's lunivers.
Answer:
Step-by-step explanation:
(12+10+x)/3=15
15*3=12+10+x
45-12-20=x
X=23
X= 9 x=2
-2 × -9=18
-2 + -9= -11
Answer:

Step-by-step explanation:

Answer:
A line perpendicular to another has a slope that is the negative reciprocal of the slope of the other line. The negative reciprocal of the original line is –2, and is thus the slope of its perpendicular line.
Step-by-step explanation: