Answer:
1/ x = 22.5°
2/ x = 60°
Step-by-step explanation:
1/ We have: 3x + 2x + 3x = 180°
=> 8x = 180° => x = 22.5°
2/ We have: x + x + x = 3x = 180°
=> x = 60°
Answer:
I'm not completely sure about the first one, but #8 is 0.0419, and #9 is 30500.
Answer:
C
Step-by-step explanation:
x<-5 means -∞ ...-7, -6
x>5 means 6,7, ... ∞
there is no any common values in the intersection set