17-01-2017
Mathematics

contestada

can someone help with at least one of the questions in the attachment? thanks

can someone help with at least one of the questions in the attachment thanks class=

Respuesta :

JillyBeans JillyBeans

17-01-2017

for number 7 the pairs you can get are
A,B A,C A,D A,E
B,C B,D B,E
C,D C,E
D,E
So the number of pairs are 10

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