mmastromarco mmastromarco

08-11-2020
Mathematics

contestada

you have 5 items. how many combinations of two are possible and what equation do you use to find out

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Hello2104 Hello2104

08-11-2020

Answer:

okay so the first one can be any of teh five

teh second one is onyl 4 of them bc u've already used one

so we do : 4*5 which is 20

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