英语翻译
atonecarrentalagency,thecostofacarforonedaycanbedeterminedbyusingthealgebraicexpression$32.00+$0.10wheremrepresentsthenumberofmilesdriven.
determinethecostofrentalforeachofthefollowing:
Amikebaierdrovethecarherentedfor35miles.
Bdanamorsedrovethecarherentedfor435miles.
Cjimszalachdrovethecarherentedfor102miles.
thelocalpotteryco-opcharges$40.00ayearformembershipand$0.75perpoundforfiringpotterypiecesmadebythemembers.thealgebraicexpression40+0.75prepresentstheyearlycosttoamemberwhobringsppoundsofpotterytobefired.determinetheyearlycostforeachofthefollowing
Atiffanyisanamateurpotterwhofired35poundsofworkthisyear.
Bniasellsherpotteryinalocalcraftshopandfired485poundsofworkthisyear
ifastoneisthrowndownintoadeepgullywithaninitialvelocityof30feetpersecond,thedistanceithasdallen,infeet,aftertsecondscanbefoundbyusingthealgebraicexpression16t*t+30t.findthedistancethestonehasfallen:
a.after1second.
b.after2seconds.
c.after3seconds.
