Method A: If we count, we see that the answer is 31.
Method B: 19 - -12 = 31. We can even do -12 - 19 and we'll get the same answer: -31, and the absolute value of -31 is 31.
Both methods will give you the same answer.
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:
The answer to this is the last one, the on all the way at the bottom.
Step-by-step explanation:
This is because no 2 coordinates/points line up.
Answer:
add tjem all up and fid the outnumber one
Step-by-step explanation:
I can't understand what you wanted with the second question (or if that is even a question), but the answer to the first one is 42.