# SOLUTION: The volume of a circular disk varies as its thickness and the square of the diameter of its face. Two metallic disks having the thicknesses ¼ inch and 1/6 inch and the diameters of

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 Question 353819: The volume of a circular disk varies as its thickness and the square of the diameter of its face. Two metallic disks having the thicknesses ¼ inch and 1/6 inch and the diameters of 5 inches and 3 inches, respectively, are melted and recast into a single disk having a diameter of 6 inches. Find its thickness.Answer by mananth(12270)   (Show Source): You can put this solution on YOUR website!1/4 inch - 5 " diameter = 2.5 inch radius. volume = pi*2.5*2.5*1/4 V= 4.91 cu.in 1/6 inch -3 "diamter = 1.5" radius V= pi*1.5*1.5*1/6 = 1.18 cu.in Total = 4.91+1.18=6.09 ... Volume = pi*3*3*h 6.09/(pi*3*3)=h h= 0.215inch or 1/5" ... m.ananth@hotmail.ca