anonymous
  • anonymous
How many words of 4 different letters can be formed out of 7 capital letters, 3 vowels and 5 consonants if each word starts with a capital letter and contains atleast 1 vowel?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
not clear is it since we don't know if the capitals are consonants or vowels or mixed. weird problem
anonymous
  • anonymous
A capitol letter can be either a vowel or a consonant.
anonymous
  • anonymous
you can consider capital letters as symbols.

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anonymous
  • anonymous
So does the requirement of 1 vowel include the possibility for the capitol letter to be a vowel, or not?
anonymous
  • anonymous
Are you familiar with the permutation formula?
anonymous
  • anonymous
There is no relation of a symbol with vowels and consonants. All of the 3 are different types with no relation between them.
anonymous
  • anonymous
How many ways can you pick the first letter first of all?
anonymous
  • anonymous
in 7 ways
anonymous
  • anonymous
well..i tried to solve it like by total words starting with capital minus words starting with capital containing no vowels.

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