Respuesta :

Answer:

[tex] {9x}^{2} {y}^{ - 1} \\ x = 1 \\ y = 2 \\ \\ 9( {1})^{2} {(2)}^{ - 1} = 9 \times 1 \times \frac{1}{{2}^{1}} \\ = \frac{9}{2} \\ [/tex]

= 4,5

princechimezirim096

Answer:

4.5

explanation:

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