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WITCHER [35]
3 years ago
5

What are the solutions to the equation 9x2 = 49, rounded to the nearest tenth?

Mathematics
2 answers:
Sergio [31]3 years ago
8 0
I would go for A if anything

MariettaO [177]3 years ago
4 0
A.
<span>2.3, –2.3

Working;</span>
9x^{2} =49
x^{2} = \frac{49}{9}
<span>x=</span>\sqrt{ \frac{49}{9} }
x= +-2.3
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