cullenp677 cullenp677

12-11-2017
Mathematics

contestada

If z varies inversely as w and z=40 when w=0.1, find z when w=20

Respuesta :

dannielle dannielle

14-11-2017

z varies inversely as w ⇒ z*w=k
z=40 , w=0,1 ⇒40*0,1=4=k

z*20=4
z=4/20=1/5
z=0,2

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