A round-robin tournament has 66 pairings. How many teams are in the tournament?

2 answers:

6 0

11 teams because $\frac{x(x+1)}{2}=66$ where we find x to be 11.

3 0

I got 11 teams.

I hope this helps.

You might be interested in

Xelga [282]

Are you sure you wrote it right because it should be -42.99

Show me a picture of the equation

6 0

2 years ago

kykrilka [37]

Answer: 15

Step-by-step explanation:

I am assuming the equation is set up like this:

(x+9)/3 = 8

Multipy by 3 to both sides

x + 9 = 24

Subtract 9

x = 15

8 0

2 years ago

Ahat [919]

Answer:

should be 15...

Step-by-step explanation:

8 0

2 years ago

inysia [295]

2 9/15 and 1 5/15 are your answers

8 0

2 years ago

taurus [48]

31-5=26
26/4=6.5
Y=6.5

3 0

2 years ago