sentinal2686 sentinal2686
  • 10-11-2017
  • Mathematics
contestada

If y varies directly as​ x, and yequals=77 when xequals=66​, find y when xequals=1212.

Respuesta :

dannielle
dannielle dannielle
  • 14-11-2017
if y varies directly as x ⇒y/x=k
when y=77 and x=66⇒ y/x=77/66=7/6

when x=1212 ⇒ y/1212=7/6
y=1212*7/6=202*7
y=1414

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