Answer:
80
Step-by-step explanation:
because i mutipled
x=50
x in (-oo:+oo)
(2/5)*x+10 = 30 // - 30
(2/5)*x-30+10 = 0
2/5*x-20 = 0 // + 20
2/5*x = 20 // : 2/5
x = 20/2/5
x = 50
Answer: I believe it would be 2.90
12:10
...
Ángulo agudo es aquel que mide menos de 90º
