Answer:
36π
Step-by-step explanation:
Since you have to use terms of pi you just leave out pi out of the formula
A = πr² so it would be
A = r² Radius is half of diameter so half of 12 = 6
A = 6²
A = 36
Than you add pi
36π
Hope this helped
Answer:29hz
Step-by-step explanation:
11hz+8hz+9hz +hz
29hz
Add everything together
Answer:
Its 7/3 or the second one
Step-by-step explanation:
Answer: a=4
Step-by-step explanation:
6a+9=33
Subtract
6a=24
Divide
a=4
Answer:
42
Step-by-step explanation:
(-10*42+1764)/42