The answer is -28 if there is a negative then the answer is a negative
Answer:
The answer is 78.5
Step-by-step explanation:
If you subtract -8 by -3 you get 5, which is the radius. If you plug that into the equation you get 78.5.
Answer:
4a+6b
Step-by-step explanation:
4a -2a +6b +2a
Combine like terms
4a-2a+2a+6b
4a+6b
I got 422,400
hope this helps. i’m not sure so if you think i’m correct listen to me!
Answer:
2:1.
Step-by-step explanation:
The area of a red curved surface = 2πr^2.
The area of the yellow flat surface = πr^2.
This is the case for all the hemispheres.
Therefore the required ratio = 2πr^2 : πr^2
= 2:1.