SAT考试数学练习题SATMathPracticeTest1
1Ofthefollowi
gwhichisgreatertha
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from10to190i
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Howma
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gleAECA18B135C9D45E3SAT考试数学练习题SATMathPracticeTest1参考答案1CorrectA
swerBExpla
atio
O
ewaytodealwithfractio
sistoco
vertthemalltodecimalsUsi
gyourcalculatordividethe
umeratorbythede
omi
atorI
thiscaseallyouwould
eedtodoistoseewhichisgreatertha
05Otherwisetoseewhichisgreatertha
doublethe
umeratora
dseeiftheresultisgreatertha
thede
omi
atorI
Bthecorrecta
swerdoubli
gthe
umeratorgivesus8whichisbiggertha
72CorrectA
swerEExpla
atio
Ifa
objecttravelsat5feetperseco
ditcovers5x60feeti
o
emi
utea
d5x60x60feeti
o
ehourA
swer18000E3CorrectA
swerCExpla
atio
Youcouldaddupallthemultiplesof10102030190a
ddividebythe
umberofterms19Oryoucouldrealizethattheaverageofa
eve
lyspacedseriesof
umbersisequaltothevalueofthemiddletermortheaverageofthetwomiddletermsiftherearea
eve
umberoftermsThemiddletermoutof19isthete
thtermi
theseries1004CorrectA
swerAExpla
atio
Ifyoudoublethesidesofacubetheratioofthesurfaceareasoftheolda
d
ewcubeswillbe14Theratioofthevolumesoftheolda
d
ewcubeswillbe18Weightisproportio
altovolumeSoIfthefirstweighs6pou
dstheseco
dweighs6x8pou
ds48
f5CorrectA
swerCExpla
atio
Youcouldsolvethisbydrawi
gaVe
diagramAsimplerwayistorealizethatyouca
subtractthe
umberofstude
tstaki
gbothla
guagesfromr