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I need help (picture of the question above^)

I need help (picture of the question above^)
asked 30.4k views
3 votes
I need help (picture of the question above^)

I need help (picture of the question above^)-example-1
asked
User SMM
by
7.5k points

1 Answer

12 votes

Answer:

a is the answer

Explanation:

x^2= 90

X=√90

X=3√10 (positive irrational number)

but other solutions have exact value or in decimal

answered
User NMunro
by
8.0k points
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