Chemistry, asked by Anonymous, 11 months ago

How to solve 0.64n2=n2-9

Answers

Answered by Anonymous

1

answer: n = 5

Explanation:0.64n2=64/100n2=16/25n2

16/25n2=n2-9

16/25n2-n2=-9

-9n2/25=-9

n2/25=1

n2=25

n=5

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