Answer:
<em>5</em><em> players participated in the tournament.</em>
Step-by-step explanation:
In a small chess tournament, 20 matches were played.
Let us assume that n number of players participated in the tournament
As in each game 2 players play, so the number of ways they can play is,
As they played 2 games with every other participant in the tournament.
So the total number of games is,
But it is given to be 20, so
As , so we get n=5.
Therefore, 5 players participated in the tournament.
Answer:
i dont understand why people cant just download photomath on your phone
Scalene triangles. I think
Answer:
4536363646
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
To find how many she bought, we have to divide. So we do 105/7=15.