williamsantoinou4xtz williamsantoinou4xtz

04-08-2017
Mathematics

contestada

Abdul is choosing a 3 letter password from the letters A,B,C,D, and E. The password cannot have the same letter repeated in it. How many such passwords are possible?

Respuesta :

Jefrafra Jefrafra

04-08-2017

There are 60 unique passwords. You can find this answer by multiplying 5*4*3 because each time you will have one less letter to choose from.

Answer Link

musiclover10045 musiclover10045

04-08-2017

there are 5 letters

1st letter can be any 5

2nd letter can be any 5 -1 = 4

3rd letter can be any 5 -2 = 3

5*4*3 = 60 different combinations

Answer Link

Otras preguntas

Is 7/8 closer to 0,1,2, or 3

Which expression means 63? A) 6 × 3 B) 6 × 6 × 6 C) 3 × 3 × 3 × 3 × 3 × 3 D) (2 × 3) × (2 × 3) × (2 × 3)

What does y=x+5 mean to do in a graph ?

find the inverse of the function f(x) =4x+6

what universal conflicts does the Crucible deal with?

A clown bought 6 bags of round balloons with 24 balloons in each bag

How do work this problem 1/10 of 90 is

Which is an example of hypothetical evidence? A: Most politicians hire professional speech writers to prepare what they say. B: In his latest speech, Mayor John

how do you solve k/2+9=30

Show how to multiply 6 x 298 using properties and mental math