Answer:
The values of k are all real numbers greater than 3
Step-by-step explanation:
we have

Solve for k
Divide 12 by 3

Divide by 4 both sides


The solution is the interval ------> (3,∞)
All real numbers greater than 3
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.
The answer is 5a pretty sure
The answer is c because y=mx+b
Answer:
i don't know a counterexample for the first one
A counterexample for the second one is a leaf bug
A counterexample for the third one is a trapezoid, rectangle, rhombus