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

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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