Seudónimo Seudónimo
  • 02-12-2017
  • Mathematics
contestada

In a huge chess tournament, 45 matches were played. Find out how many people were involved if it is known that each participant played one game with every other participant in the tournament.

Respuesta :

Аноним Аноним
  • 02-12-2017
there was 45 combinations of 2  so

xC2 = 45   where x = number of players 

10C2  = (10*9) / 2  = 45 

So there were 10 players involved
Answer Link

Otras preguntas

how can the ph of antiacid table de determine in laboratory ​
In recent years, the cost for renters insurance has decreased annually. Would you expect this trend to continue? Why or why not?
Porque es importante la hidratacion o hidratarnos?
La cadena del sector de hidrocarburos:(Si no sabes no Respondas)​
Música folclórica:(Si no sabes no Respondas)​
There are how many types of nitrogenous bases?
Blue, green, and red are _______ colors of light.
help, asap, explain, thx a^2-b^2=8 a+2=2 then a-b=?
Diego is flying from Philadelphia to Barcelona. On the trip to Barcelona, the plane flies at a constant cruising speed of 550 mph. reaches its cruising speed, w
Choose an article posted in a magazine or newspaper or a movie that discusses or explains the occurrence of evolution for your independent critique. Your articl