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mathmath333
 one year ago
Counting Problem
mathmath333
 one year ago
Counting Problem

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mathmath333
 one year ago
Best ResponseYou've already chosen the best response.1\(\large \color{black}{\begin{align} & \normalsize \text{In how many ways can 4 boys & 4 girls be arranged}\hspace{.33em}\\~\\ & \normalsize \text{such that no 2 girls are together.}\hspace{.33em}\\~\\ \end{align}}\)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0You can probably make an organized list, or sample space

mathmath333
 one year ago
Best ResponseYou've already chosen the best response.13 girls together also includes 2 girls together

mathmath333
 one year ago
Best ResponseYou've already chosen the best response.1u mean answer is 2

mathmath333
 one year ago
Best ResponseYou've already chosen the best response.1\(\large \color{black}{\begin{align} & \normalsize \text{In how many ways can 4 boys & 4 girls be arranged in a row}\hspace{.33em}\\~\\ & \normalsize \text{such that no 2 girls are together.}\hspace{.33em}\\~\\ \end{align}}\)

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.4forget about girls, first you arrange the \(4\) boys

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.4how many ways can you arrange \(4\) boys ?

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.4Yes dw:1440079075919:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0don't mind me  I am not good with this stuff  just read/listen to what @ganeshie8 wrote

mathmath333
 one year ago
Best ResponseYou've already chosen the best response.1have u also counted this situation gbbgbgbg

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.4next, for each of that arrangement, the girls can only go between the boys. so there are exactly \(5\) for the \(4\) girls to go : dw:1440079754229:dw

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.4how many ways can you arrange 4 girls in 5 chairs ?

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.4In other words, how many 4 letter words can you make using 5 different letters ?

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.4yes so the final answer is \(4!*5!\)

mathmath333
 one year ago
Best ResponseYou've already chosen the best response.1is their any alternate way for this

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.4there are many ways to work it the one i showed you is the most simplest one

mathmath333
 one year ago
Best ResponseYou've already chosen the best response.1example using negation of sentense "no 2 girls are together"

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.4that would only complicate things because you need to consider different cases : 2 girls together, 3 girls together, 4 girls together

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.4the method i showed you is simple : 1) first place boys 2) next work out where girls can go
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