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lozanna [386]
3 years ago
15

Need help on what it is!!!

Mathematics
2 answers:
Harman [31]3 years ago
6 0
Km pretty sure it’s C (the third one )
Daniel [21]3 years ago
6 0

It's not C. Use the Geometric Mean for right triangles to solve. In our formula, our values will fit in like this: \frac{9}{x}=\frac{x}{9+7}. Simplifying we have \frac{9}{x}=\frac{x}{16}. Cross-multiply to get x^2=144. That means that x = 12. First choice above.

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