HELP PLEASE ITS THE ONLY QUESTION I NEED!!
2 answers:
Because the order doesn't matter on where each person sits use the combinations formula:
C = n! / (r!(n-r)!)
Where n is the total number of people and r is the number of chairs.
C = 6! / (4!(6-4)!)
C = (6*5*4*3*2*1) / ((4*3*2*1(2*1))
C = 720 / (24*2)
C = 720 / 48
C = 15
There are 15 different arrangements.
Answer:
360 ways
Step-by-step explanation:
This is a permutation because we care about the order.
It is a seating arrangement, so order matters
We are taking 6 things 4 at a time
n!
--------- where n is the number of items and r is how many we are taking
(n-r)!
6!
------
(6-4)!
720
-------
2!
720/2
360 ways
You might be interested in
Answer:
yes
Step-by-step explanation:
The difference in the cost per pound is $6.
For 12 lb, the total difference in $6 × 12 = $72.
If the Fresh Market is close enough and you have the time, it is worth the drive since you will save $72.
Answer:
(3x3) /9
Step-by-step explanation:
first you triple the three (3x3) then divide by 9
120/20=6 so it’s six dollars a ticket
1=$6
3=$18
4=$24
5=$30
6=$36
n=6n
Answer:
9.28/2.9=3.2is a required answer
Answer:
No
Step-by-step explanation:
may i be marked as brainliest?
