dayianalizardi
dayianalizardi
13-02-2014
Mathematics
contestada
I really need help on geometry
Respuesta :
crisforp
crisforp
13-02-2014
For example, exc. 15.
x + y = 10 and 6/x = 9/y; You need y!
=> x = 10 -y and 9x = 6y => 9(10-y) = 6y => 90 - 9y = 6y => 15y = 90 => y = 6.
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