A rectangular tabletop consists of a piece of laminated wood bordered by a thin

游客2025-02-24 22

问题 A rectangular tabletop consists of a piece of laminated wood bordered by a thin metal strip along its four edges. The surface area of the tabletop is x square feet, and the total length of the strip before it was attached was x feet. If the tabletop is 3 feet wide, what is its approximate length, in feet?

选项 A、12
B、10
C、9
D、8
E、6

答案 E

解析一个长方形的桌面由一块四周镶有薄金属条的薄木板组成，桌面的面积为x平方英尺，金属条在镶上去之前的总长度为x英尺，若桌面的宽度为3英尺，问其长度大约是多少英尺?
解：本题的正确答案为(E)。设桌面的长度为y英尺，则2(y+3)=x, 3y=x , so, y=6

转载请注明原文地址:https://www.tihaiku.com/zcyy/3971331.html

相关试题推荐

[img]ct_gre5image060[/img]Therectangularsolidaboveismadeupofeightcubes
[img]ct_gre5image076[/img]Thepoint(notshown)withrectangularcoordinates(m
[img]ct_gre5image018[/img]Thediagramrepresentsarectangulargarden.Theshad
Arectangularfloor18feetby10feetistobecompletelycoveredwithcarpetin
Youareapplyingfertilizertoyourbackyard.Therectangularyardmeasures40f
Whatisthesurfaceareaofarightrectangularsolidwithdimensions4by7by
[img]ct_gre5image064[/img]Intherectangularcoordinatesystem,segmentOPisr
Anidentificationcodereadfromlefttorightconsistsof2digits,adash,3d
[img]ct_gre5image006[/img]Therectangularrugshowninthefigureabovehasaf
[img]ct_gre5image096[/img]TheshadedregionisrectangularColumnA

随机试题

InmostAmericancities,therentforaone-bedroomapartmentwas$250ormo
[originaltext]Formostpeople,readinganewspaperhasbecomeahabitpasse
Teachersandparentsnormallycallattentiontothepictureswhentheyread
[originaltext]W:Idon’twantmysonTimtohangoutwithBob,whodrinksando
Hometheatersystemsarerevolutionizingthemoviescenebyhelpingcons
Text1Inthe2006filmversionofTheD
For（）service，weneedavirtual-circuit
GP，孕38周横位，急诊入院，胎心正常，已破膜，宫口开全，子宫下段压痛明显，导尿
患者，女性，22岁，因月经量过多来医院就诊。检查结果示：PLT60×10／L，血
自我概念的功能包括()。多选A.保持内在一致性 B.影响外貌 C.解

最新回复(0)

A rectangular tabletop consists of a piece of laminated wood bordered by a thin

[img]ct_gre5image060[/img]Therectangularsolidaboveismadeupofeightcubes

[img]ct_gre5image076[/img]Thepoint(notshown)withrectangularcoordinates(m

[img]ct_gre5image018[/img]Thediagramrepresentsarectangulargarden.Theshad

Arectangularfloor18feetby10feetistobecompletelycoveredwithcarpetin

Youareapplyingfertilizertoyourbackyard.Therectangularyardmeasures40f

Whatisthesurfaceareaofarightrectangularsolidwithdimensions4by7by

[img]ct_gre5image064[/img]Intherectangularcoordinatesystem,segmentOPisr

Anidentificationcodereadfromlefttorightconsistsof2digits,adash,3d

[img]ct_gre5image006[/img]Therectangularrugshowninthefigureabovehasaf

[img]ct_gre5image096[/img]TheshadedregionisrectangularColumnA

InmostAmericancities,therentforaone-bedroomapartmentwas$250ormo

[originaltext]Formostpeople,readinganewspaperhasbecomeahabitpasse

Teachersandparentsnormallycallattentiontothepictureswhentheyread

[originaltext]W:Idon’twantmysonTimtohangoutwithBob,whodrinksando

Hometheatersystemsarerevolutionizingthemoviescenebyhelpingcons

Text1Inthe2006filmversionofTheD

For（）service，weneedavirtual-circuit

GP，孕38周横位，急诊入院，胎心正常，已破膜，宫口开全，子宫下段压痛明显，导尿

患者，女性，22岁，因月经量过多来医院就诊。检查结果示：PLT60×10／L，血

自我概念的功能包括()。多选A.保持内在一致性 B.影响外貌 C.解