A because x is the original price, so you multiply by the tax (9%) which would convert to 1.09 which you would multiply to the x
Answer:
190 possibilities.
Step-by-step explanation:
The problem is called 20 choose 2, given by the formula for combinations
C(20,2) = 20! / (2! (20-2)!) = 190
alternatively, we can reason it this way:
there are 20 choices to choose a captain and 19 choices for an alternate captain for a total of 380 ways.
However, there are 20 choices to choose an alternate captain and 19 choices for a captain for a total of 380 ways.
Since we are essentially double counting every choice of the posts, we need to divide 380 by 2 to get 190 ways.
Answer:
1
Step-by-step explanation:
Any non-zero value raised to the zero power is 1.
x^0 = 1
Answer:
4/5
Step-by-step explanation:
5/8=1/2/x
x=(1/2)/(5/8)
x=(1/2)(8/5)
x=8/10
simplify
x=4/5
