Marciekate Marciekate

26-08-2017
Mathematics

contestada

what is the value of this expression when k=5? (3k)2 -10

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sissieliang sissieliang

26-08-2017

it is 20 if you plug in 5 for k

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vannialvionitaovavh6 vannialvionitaovavh6

26-08-2017

first you expand the multiplication so it will be more easier to sub in later.
6k-10

sub in k=5 into the equation
6(5)-10=20

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