Area of a circle= 2 times pi times radius squared
A= 2 <span>π r^2
A=2(3.14)(97mm)^2= 609.16 mm^2</span>
Out of a sample of 80 books, 6 were historical books. So the percentage of books in the sample will be:
%
We can use this sample to represent the entire collection of books in the library. So the best estimate of total number of historical books in the library is 7.5% of 21360 , which comes out to be:
7.5 % of 21360 =
Therefore, roughly 1602 books out of 21360 book of library are historical books.
Assume the 235 and 177 so and will get the right answer what is 412
hope helped
Answer:
they at 1 and 2/5 pizzas because 4+3=7 and if there is only 5 peices in each pizza that makes 2 pieces of a 2nd pizza being eaten
Step-by-step explanation:
Answer:
None of the above.
Step-by-step explanation:
All of these are functions. For each input of x, there is only one output of y. Therefore, they are all functions.