A community for students.
Here's the question you clicked on:
 0 viewing
mathmath333
 one year ago
Counting Problem
mathmath333
 one year ago
Counting Problem

This Question is Closed

mathmath333
 one year ago
Best ResponseYou've already chosen the best response.2\(\large \color{black}{\begin{align} & \normalsize \text{How many words of 11 letters could be formed with } \hspace{.33em}\\~\\ & \normalsize \text{all the vowels present in even places, using all the } \hspace{.33em}\\~\\ & \normalsize \text{letters of the alphabet ?(without repetition) } \hspace{.33em}\\~\\ \end{align}}\)

hartnn
 one year ago
Best ResponseYou've already chosen the best response.2what are your thoughts?

mathmath333
 one year ago
Best ResponseYou've already chosen the best response.2\(\large \color{black}{\begin{align} & a.)\ ^{21}P_{6}\times 5! \hspace{.33em}\\~\\ & b.)\ 21! \hspace{.33em}\\~\\ & c.)\ ^{21}P_{5}\times 5! \hspace{.33em}\\~\\ & d.)\ ^{26}P_{8} \hspace{.33em}\\~\\ \end{align}}\)

mathmath333
 one year ago
Best ResponseYou've already chosen the best response.2dw:1440438880520:dw

mathmath333
 one year ago
Best ResponseYou've already chosen the best response.2i m confused on how to think here

hartnn
 one year ago
Best ResponseYou've already chosen the best response.2those 5 places are blocked with 5 vowels, which can be arranged among themselves in how many ways??

mathmath333
 one year ago
Best ResponseYou've already chosen the best response.26 letters should be vowels and 5 letters non vowels

hartnn
 one year ago
Best ResponseYou've already chosen the best response.2how many other letters are left? in how many ways can you arrange those other letters in 6 places?

hartnn
 one year ago
Best ResponseYou've already chosen the best response.25 vowels, at places: 2,4,6,8,10

mathmath333
 one year ago
Best ResponseYou've already chosen the best response.2\(\large \color{black}{\begin{align} & ^{6}P_{5}\ ways \hspace{.33em}\\~\\ \end{align}}\)

hartnn
 one year ago
Best ResponseYou've already chosen the best response.2sorry for asking many questions at one time. lets just concentrate on 5 places are blocked with 5 vowels, which can be arranged among themselves in how many ways??

hartnn
 one year ago
Best ResponseYou've already chosen the best response.2good! now forget about those 5 places, they are done only 6 more places to go, and how many options do we have? hint : consonants

mathmath333
 one year ago
Best ResponseYou've already chosen the best response.2there are 6 places and 21 consonants remaining

hartnn
 one year ago
Best ResponseYou've already chosen the best response.2and how can we arrange that?

mathmath333
 one year ago
Best ResponseYou've already chosen the best response.2\(\large \color{black}{\begin{align} & ^{21}P_{6}\ ways \hspace{.33em}\\~\\ \end{align}}\)

mathmath333
 one year ago
Best ResponseYou've already chosen the best response.2does u mean 1st option is correct

hartnn
 one year ago
Best ResponseYou've already chosen the best response.2yes. clear any doubts that you have in your mind ...
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.