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

游客2024-01-12 36

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://tihaiku.com/zcyy/3356769.html

相关试题推荐

Intherectangularquadrantsystemshownabove,whichquadrant,ifany,contains
Amarchingbandof240musiciansaretomarchinarectangularformationwithm
Theareaofarectangularflooris56squarefeet.Ifboththelengthandthewi
Intherectangularcoordinatesystemabove,forhowmanyofthepointsthatlie
WhatisthemedianofthedatasetSthatconsistsoftheintegers17,29,10,2
KingSchoolhasanenrollmentof900students.Theschooldayconsistsof6clas
Istheperimeterofacertainrectangulargardengreaterthan50meters?(1)The
Inarectangularcoordinatesystem,linekhasx-intercept4andslope-2.Colum
Exactlyfourfacesofarectangularsolidarepainted.ColumnA
[img]ct_gre5image090[/img]Intherectangularcoordinatesystemabove,ifP,not

随机试题

WestminsterPalaceisthe______.A、residenceofthePrimeMinisterB、seatofthe
【S1】[br]【S17】A、ConsequentlyB、FrequentlyC、GenerallyD、CertainlyC副词辨析。本段第一句话是
Solarenergyforyourhomeiscoining.Itcanhelpyouasasinglehomeowne
有A、B两只股票，A股票的预期收益率是15%，B股票的预期收益率为20%，A股票
罗伊适应模式中关于主要刺激是指A:围绕并影响个人或群体发展与行为的所有情况事件及
盛水容器形状如图所示，已知h1＝0.9m，h2＝0.4m，h3＝1.1m，h4＝
体内既能生糖又能生酮的氨基酸是（　　）。A.Asp B.Val C.Trp
情景综合分析法的预测期一般是3～5年。()
出生后，第一次需做口腔检查的时间是A.3个月，乳牙未萌出 B.6个月，第一颗乳
在席卷全球的金融危机期间，中央银行为了对抗经济衰退，刺激国民经济增长，不应该采取

最新回复(0)

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

Intherectangularquadrantsystemshownabove,whichquadrant,ifany,contains

Amarchingbandof240musiciansaretomarchinarectangularformationwithm

Theareaofarectangularflooris56squarefeet.Ifboththelengthandthewi

Intherectangularcoordinatesystemabove,forhowmanyofthepointsthatlie

WhatisthemedianofthedatasetSthatconsistsoftheintegers17,29,10,2

KingSchoolhasanenrollmentof900students.Theschooldayconsistsof6clas

Istheperimeterofacertainrectangulargardengreaterthan50meters?(1)The

Inarectangularcoordinatesystem,linekhasx-intercept4andslope-2.Colum

Exactlyfourfacesofarectangularsolidarepainted.ColumnA

[img]ct_gre5image090[/img]Intherectangularcoordinatesystemabove,ifP,not

WestminsterPalaceisthe______.A、residenceofthePrimeMinisterB、seatofthe

【S1】[br]【S17】A、ConsequentlyB、FrequentlyC、GenerallyD、CertainlyC副词辨析。本段第一句话是

Solarenergyforyourhomeiscoining.Itcanhelpyouasasinglehomeowne

有A、B两只股票，A股票的预期收益率是15%，B股票的预期收益率为20%，A股票

罗伊适应模式中关于主要刺激是指A:围绕并影响个人或群体发展与行为的所有情况事件及

盛水容器形状如图所示，已知h1＝0.9m，h2＝0.4m，h3＝1.1m，h4＝

体内既能生糖又能生酮的氨基酸是（ ）。A.Asp B.Val C.Trp

情景综合分析法的预测期一般是3～5年。()

出生后，第一次需做口腔检查的时间是A.3个月，乳牙未萌出 B.6个月，第一颗乳

在席卷全球的金融危机期间，中央银行为了对抗经济衰退，刺激国民经济增长，不应该采取

体内既能生糖又能生酮的氨基酸是（　　）。A.Asp B.Val C.Trp