The diameter is 20 so the radius is 10.
A=<span>πr^2
A=</span>π10^2
A=100π
C=2πr
C=2π10
C=20π
Answer:
Step-by-step explanation:
Ending depth = -287
Starting d<u>epth= -212</u>
Difference = -75 feet
The submarine plans on dropping 15 feet a minute.
Time = displacement / time = -75/-15 = 5 minutes.
Answer: D
Answer:
14.5
Step-by-step explanation:
12×12=144 5×6=30 144+30=174 3×4=12 174/12=<em>14.5</em>
Solve for y like the top equation:
2y = -4ax + 11
2y/2 = -4ax/2 + 11/2
y = -2ax + 11/2