CallCejul9indleyblu
CallCejul9indleyblu CallCejul9indleyblu
  • 02-09-2016
  • Mathematics
contestada

How many different arrangements of the letters in the word SCHOOL are there? .

Respuesta :

SyntaxError
SyntaxError SyntaxError
  • 02-09-2016
Its a permutation with repetition sum.

The formula is : n! / (a! * b!)
where a = no. of Os = 2
b = no. of Ds = 2
n = total no. of letters in the word doodle = 6

Working: 6! / (2! * 2!)
= 6 x 5 x 4 x 3 x 2 x 1 / 2 x 1 x 2 x 1
= 180 Answer

Answer Link

Otras preguntas

What belief system does the human in this figure in this poster represent? A)Fascism B)Nazism C)Communism D)Socialism
some people wrongly compare the cells inside the body with bricks in a wall.actually three are scores of difference between the two and one such difference is t
once stimuli are in the brain they are processed by
Which one of the following statements is accurate? A. Agriculture has been challenged by the use of selective breeding. B. Gymnosperms provide humans with
Hi tech was signed in what year
Please answer this question
What is the best way to support the thesis in each body paragraph? There is a main idea in each body paragraph and the thesis is restated. Start each body par
help on 2 pleeeeeaaassseee
Look at the table of values below
how did the Great Schism of 1378 affect Wstern Europe ?