Count the possible combinations of r letters chosen from the given list P.Q,R,S,T,U; r = 2
1 answer:
Answer:
<h2>There are 30 possible combinations of picking two letters.</h2>
Step-by-step explanation:
The combinations are defined as

Where
is the total number of elements and
is the number of letter we are gonna picke, which is two. Using this information, we have

Therefore, there are 30 possible combinations of picking two letters.
You might be interested in
Answer:
359.1
Step-by-step explanation:
100 - 20.2 is 79.8
79.8 x 4.5 is 359.1
therefore it is 359.1
-6+3= -3
3/7+2/7=5/7
The answer is -3 5/7
Please mark as brainliest.
LM is 6.9 to 1dm and LM is 8
1. The mean of all the numbers is 41.
5. Median : 52