Question

1. Quando x = 6.ey=6 . quanto vale x+y?
a) -
d) - 7​

Answer 1

Resposta:

c)

$+ \frac{7}{36}$

Explicação passo-a-passo:

${6}^{ - 1} = \frac{1}{6}$

${6}^{ - 2} = \frac{1}{ {6}^{2} } = \frac{1}{36} \frac{x}{y}$

$x+ y = \frac{1}{6} + \frac{1}{36} = \frac{6 + 1}{36} = \frac{7}{36}$