Step-by-step explanation:
always begin any problem by writing what you know
circumference is
u = 2 pi r
1)
u=3.14
r=?
3.14 = 2 pi r
Solve for r
the rest of the problems you just plug the numbers into the formula
Answer:
40,320.
Step-by-step explanation:
We are asked to find the number of ways in which 8 books could be arranged on a shelf.
The 1st could be arranged in 8 ways. Since one place is filled, so 2nd book could be arranged in 7 ways.
Similarly, the 3rd book could be arranged in 6 ways as first two places are already taken. This process will go on.
So the 8 books can be arranged in 

Therefore, 8 books could be arranged in 40,320 ways.
. If total Revenue is $3000, Cost of Goods is $1500, and total Selling Expense is $500 Question: what is the Profit for the business= The total revenue is 3 000 dollars The expenses =1 500 dollars for gold's costs= 500 dollars for selling expenses.Now, let's add the expenses and subtract it to the total earnings= 1 500 dollars + 500 dollars = 2 000 dollars
Now, let's subtract=3 000 dollars - 2 000 dollars = 1 000 dollars Thus, his profit is 1 000 dollars