15-02-2017
Mathematics

contestada

Evaulate 5(n+3)-7n, when n=1/2

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AnimeBrainly AnimeBrainly

15-02-2017

3.5x7 - 3.5

24.5-3.5

21

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kaitlynnicole2 kaitlynnicole2

15-02-2017

Simple! Just plug n in.
So, 5(.5+3)-7(.5)
2.5 + 15 - 3.5 = 17.5 - 3.5 = 14

Answer Link

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