Formula for circumference: 2πr
r=2x+1
C=2π(2x+1)
distribute
C=4πx+2π
1/8 for the first one and second one is 23 times 6
Differentiate the given solution:

Substitute
and
into the ODE:

and it's easy to see the left side indeed reduces to 0.
Answer:
1/2 for red
2/3
b+w=1/2
r+w=5/6
Step-by-step explanation:
Answer:
The answer is D!
Step-by-step explanation:
hope this helps