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9n^2-10=890 solve by taking square roots
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1 vote
9n^2-10=890 solve by taking square roots

User Mahdi Ghajary
by
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1 Answer

8 votes

Answer:

n=3.3

Explanation:

9n²-10=890 1. + 10 on both sides

9n² = 900


9n²= 9n


900 = 30

9n=30 2. /9 on both sides

n=3.33

the 3's repeat

User Andrey Maslov
by
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