It is equal. .21 ia the same as 21%
Answer:
x^2 +2x +4
x^2 +2x +(2/2)^2-(2/2)^2+4
(x+1)^2-1+4
(x+1)^2+3=0
(x+1)^2= -3
(x+1)= ±√-3
Since a negative number cannot be square rooted,
there are no solutions to this equation.
Hope this helps:)
The mixed number for 4.8 is 4 8/10
For simplest form, divide 8/10 by 2 to get 4/5
Your final answer would be 4 4/5
Although the majority of bears that you see are brown there is also black bears and white polar bears in different parts of the world