jenwaltermire jenwaltermire
  • 24-05-2024
  • Mathematics
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Use cross products to determine whether each pair of ratios forms a proportion.

.2/1.8, 1/.9

Respuesta :

DavisLaurant
DavisLaurant DavisLaurant
  • 24-05-2024

First, set them equal to each other:

[tex]\frac{0.2}{1.8} =\frac{1}{0.9}[/tex]

Now if this is true, then .2 x .9 should equal 1.8 x 1.

.2 x . 9 = .18       1.8 x 1 = 1.8

So they are not a proportion.

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