Solve the problem.Find the number of games played in a round robin tournament for the given numbers of teams. In a round robin tournament every team plays every other team once.
Look for a pattern. Find the number of games played in a round robin tournament involving n teams. Find the number of games played in a round robin tournament involving 16 teams.
What will be an ideal response?
6 teams: 5 + 4 + 3 + 2 + 1 = 15 games
7 teams: 6 + 5 + 4 + 3 + 2 + 1 + = 21 games
n teams : 
games
16 teams: 120 games
Mathematics
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Verify the identity.
- 
= - cos ? cot ?
What will be an ideal response?
Mathematics
Simplify.
÷ 
A. 9
B. 
C. 
D. 
Mathematics
Find the inverse of the function.f(x) = x + 6
A. f-1(x) = 
B. f-1(x) = -x + 6
C. f-1(x) = x - 6
D. f-1(x) = 6 - x
Mathematics
Find the quotient.
A. 1 B. 0 C. 17 D. undefined
Mathematics