(-∞;-2) <span>U </span> (4;+∞) but I'm not sure
Answer:
r = 1/11
Step-by-step explanation:
16r-2r = -3r+6r+1
14r = 3r+1 (combine like terms)
11r = 1
r = 1/11
900
i think, don't know if right
It looks like the terms are:
(7x2 + 5) and (x - 3)
To solve this, I will use proportions:
The defected ones have a proportion of 1:400
So just make this proportion:
Once you solve it, you get a value of
5