You have a frame that holds three pictures. You pulled out your favorite five photos. How many sets of three are there? Make a l ist of all the possible combinations using the numbers 1 - 5 to represent the photos. (I NEED FULL EXPLAINATION)
2 answers:
Answer:
10
Step-by-step explanation:
nCr = 5!/(3! × (5 - 3)!)
= 10
123/ 124/ 125/ 134/ 135/ 145/ 234/ 235/ 245/ 345
The formula for combinations is generally n! / (r! (n -- r)!), where n is the total number of possibilities to start and r is the number of selections made. In our example, we have 52 cards; therefore, n = 52.
Answer: 1, 2, 3
1, 2, 4
1, 2, 5
1, 3, 4
1, 3, 5
1, 4, 5
Step-by-step explanation:
These are all possible combinations, and since order doesn't matter, there are only 6 combinations that can be used for the frame.
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Answer:
2nd one have a good day ;)