As the diameter is 18, a radius is half the diamater ergo the radius is 9.
Use the circumference formula:

So, adapted it would be:
2 * π * 9 which would be 56.7.
The circumference is 57m.
Hope this helps!
Answer:
55, 81, many different answers
Step-by-step explaination:
To find any answer to this problem do 26 times any number then add 3.
For example:
26x2=52
52+3=55 so...
55 divided by 2 would give you an answer of 26 r3
Answer:
$814.13
Step-by-step explanation:
Recall that the simple interest formula is a=p(1+rt).
a= final amount (Unknown)
p=starting amount ($780)
r= interest rate (5.25= 0.0525%)
t=time in years (10 months =5/6 years)
Plug numbers into formula:
a=780(1+5.25*5/6)
Solve parenthesis first according to PEMDAS:
a=780(1.04375)
Multiply:
814.125
Round to nearest hundredth (cent):
$814.13
Answer:
Step-by-step explanation:
Let x = the original number of books
Then 0.375x = the total number of biographies
and 0.20 x = the original number of biographies
