Answer:
x=k/6-c/6
hope this helps
Step-by-step explanation:
The different group of 2 players that the coach can pick is 45 groups.
<h3>Selection of groups</h3>
The selection of groups of 2 player can be done using the method of combination.
<h3>Different groups of 2 players</h3>
The different group of 2 players that the coach can pick from the 10 players is calculated as follows;
n = 10C2

Thus, the different group of 2 players that the coach can pick is 45 groups.
Learn more about combinations here: brainly.com/question/25821700
What triangle?? can you be more specific?
Letter d is s geometric sequence. You multiply or divide by the same number (r), common ratio to be a geometric sequence