X^4-81 =
(x^2-9)(x^2+9) =
(x+3)(x-3)(x^2+9)
There are two real roots (at x=3,-3).
Answer:
6.53
Step-by-step explanation:
cos(theta)= adjacent/hypotenuse
cos(40)= 5/h
H= 5/cos(40)
=6.527
Rounded to the nearest hundredth will be 6.53
Answer:
492.8
Step-by-step explanation:
just add it
Answer: 1. no
2. yes
3. no
4. if they are talking about the repeating number in -5/6, then yes the repeating number is 3.
5. no
I'm not 100% sure abt these answers but since nobody is answering so far here's my opinion :D I really don't want you to lose 100 points so pls b careful!!
B. 2
if any other number was in there i dont think it would work because its neg
