242.975609756 I don't know about the last one though.
Answer:
15
Step-by-step explanation:
6/10=9/x
cross multiply
6x=9*10
6x=90
x=90/6x=15
Answer:
1. (2x^2+x-1)
Step-by-step explanation:
expanding (2x^2-1)^2. multiplying (x-2) (1-2x)
= 4x^2-4x+1. = x-2x^2-2+4x
= -2x^2+5x-2
(4x^2-4x+1-2x^2+5x-2)
=2x^2+x-1
Answer:
I believe the answer is C :)
Step-by-step explanation:
Answer:
1. a 3d rectangle
2. 40 in cubed
3. repeat
4. another repeat
Step-by-step explanation:
