Find number of ways of selection of atleast one vowel and one consonant from the word TRIPLE
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Directrix (directrix):
Do you think the question means at least one vowel and exactly one consonant? I'm not clear on the question
OpenStudy (anonymous):
one or more than one
OpenStudy (anonymous):
but not zero
Directrix (directrix):
On the vowels, yes. I'm asking about the consonants.
at least one vowel --> 1 or 2
and one consonant---> exactly 1 consonant
OpenStudy (anonymous):
oh
yeah atleast one consonant
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Directrix (directrix):
So, then would we get the number of selections for 1 vowel and 1 consonant
and
then get the number of selections for 2 vowels and 1 consonant
and
then add those two numbers of ways together?
OpenStudy (anonymous):
oh wait that didn't strike me
OpenStudy (anonymous):
doing it
OpenStudy (anonymous):
wait how
Directrix (directrix):
2 Vowels and 4 consonants in TRIPLE
I'm thinking this:
C(2,1) * C(4,1) + C(2,2) * C(4,1) =
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Directrix (directrix):
C(2,1) means Two, choose one
Directrix (directrix):
I am not saying that this is correct. I am saying this is what I am thinking at the moment.
OpenStudy (anonymous):
i didn't get u two choose one ?
Directrix (directrix):
C(2,1) is notation I'm using for a combination of 2 objects taken 1 at the time
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