Answer: f(x) < 0 over the intervals (–infinity, –2.7) and
(–1, 0.8).
Step-by-step explanation:
I got it right
Answer:
30 and 9
Step-by-step explanation:
x+y=39 , x-y=21
Solve for x:
x+y=39 , x-y=21
x= 30
Substitute x with 30:
(30)+y=39 , (30)-y=21
Solve for y:
y=9
Up and down up and down up and down
Answer: 60°
Step-by-step explanation: use exterior angle property,
therefore, y+70°=130°
y=130°-70°
y=60°
