akubro09ox59lq akubro09ox59lq

01-10-2017
Mathematics

contestada

given the product of 2x+3y and 3y+2x is z.Find the value of y when x=3.2 and z=457.96

Respuesta :

EuniceJEJO EuniceJEJO

02-10-2017

2x+3y·3y+2x=z
2(3.2)+3y·3y+2(3.2)=457.96
6.4+9y+6.4=457.96
12.8+9y=457.96
-12.8=-12.8
9y=445.16
/9=/9
y=49.46222222
y=49.46

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