08-04-2017
Mathematics

contestada

HELP......HELP ME
n is a positive whole number a)what type of positive whole number is 2n-1?. b)write down an expression for nth multiple of 5.please show me the working .

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lilmama21 lilmama21

08-04-2017

5n=2n-1
-2n=1
3n=1
______
3 3
n=1/3

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