Respuesta :
Answer:
r=3
Step-by-step explanation:
[tex]\frac{2}{r}=\frac{12}{18}\\ \\\frac{2}{r}=\frac{2}{3}\\\\r=3[/tex]
Answer:
[tex]r = 3[/tex]
Step-by-step explanation:
[tex] \frac{2}{r} = \frac{12}{18} \\ [/tex]
use cross multiplication
[tex]18 \times 2 = 12r \\ 36 = 12r \\ \frac{36}{12} = \frac{12r}{12} \\ r = 3[/tex]
hope this helps
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