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There are five vowels. Notice that any of the vowels could be chosen from 0 though 5 times in any given combination. We therefore need the number of combinations of 5 from 5 _with replacement_.
This is the number ( 5 + 5 - 1 ) choose 5 = 126.
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How many 5 letter combinations can be made from the alphabet if 3 are consonants and 2 are vowels?
There are 3 consonants from 21 and 2 vowels from 5. That gives 21C3 * 5C2 combinations = 21*20*19/(3*2*1) *5*4/(2*1) = 1330*10 = 13300 combinations in all.
How many 2 letter combinations are there?
27^27
How many different combinations can you make out of 2 different things?
Two make combinations you would take 2x1=2 combinations only
How many three-letter combinations can be made from 3 letters?
6
How many combinations can you make out of 6 things?
720
How many 5 letter combinations can be made from the alphabet if 3 are consonants and 2 are vowels?
There are 3 consonants from 21 and 2 vowels from 5. That gives 21C3 * 5C2 combinations = 21*20*19/(3*2*1) *5*4/(2*1) = 1330*10 = 13300 combinations in all.
How many four letter words using all vowels?
That is a trick question. You can't make a four letter word using all five vowels.
How many igh words can you make out of slight?
The other combinations you can make using that letter combination are:lightlightssighsight
How many vowels are there in the word supercalifragilisticexpialidocious?
Vowels are the letters A, E, I, O, and U. The letter Y is many times considered a vowel. The word supercalifragilisticexpialidocious has 34 letters in it. 16 of those letters are vowels.
How many two letter words containing only vowels are there?
1
How many 9 letter combinations using 26 alphabet letters?
3,124,550 possible combinations
How many 2 letter combinations are there?
27^27
How many different combinations can you make out of 2 different things?
Two make combinations you would take 2x1=2 combinations only
How many 3 letter combinations can be made from this set ABCDEFG if no letter can be repeated?
You did not give us the set to work with...
How many two-lettered combinations consisting of a vowel followed by a consonant are possible if there are 5 vowels and 21 consonants?
5 x 21 = 105
What is a five letter word with no vowels?
There are many five letter words with no vowels. Crypt, Cysts, Dryly, Flyby, Glyph and Gypsy are some examples. If you don't consider Y a vowel!
How many four letter words containing only vowels are there?
21^4
