1.Theweightofacylindervariesasthesquareofthediameterwhentheheightisconstant,italsovariesastheheightifthediameterremainsconstant.Twocylindershavetheiroheightsistheratio49:72.Findtheratiooftheirdiameterifthewei
1.Theweightofacylindervariesasthesquareofthediameterwhentheheightisconstant,italsovariesastheheightifthediameterremainsconstant.Twocylindershavetheiroheightsistheratio49:72.Findtheratiooftheirdiameteriftheweightofthefirstistwicethatofthesecond.
2.Giventhatxvariesasthecubeofywhenzisconstant,andxvariesaszwhenyisconstantandalsothat5x=zwheny=1,findtheequationconnectingx,yandz.