首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
The integers x and y are greater than 1. If(4x)(7y)= 756, what is the value of x + y? x + y =______
The integers x and y are greater than 1. If(4x)(7y)= 756, what is the value of x + y? x + y =______
admin
2017-10-16
57
问题
The integers x and y are greater than 1. If(4x)(7y)= 756, what is the value of x + y?
x + y =______
选项
答案
12
解析
You can solve the given equation,(4x)(7y)= 756, for the product xy:
(4x)(7y)= 756
28xy=756
xy = 27
By trial and error, you find that 3 and 9 are the only two integers greater than 1 whose product is 27. So x + y = 12, and the correct answer is 12.
This explanation uses the following strategy.
Strategy 10: Trial and Error
转载请注明原文地址:https://kaotiyun.com/show/SrkO777K
本试题收录于:
GRE QUANTITATIVE题库GRE分类
0
GRE QUANTITATIVE
GRE
相关试题推荐
Oneofthebestpiecesofmedicalnewstoemergeoverthelastseveralyearsisthatchocolatemay【C1】______youlivelonger,pro
Thefactoryhadto______anumberofemployeesbecauseoftheeconomiccrisisinthecountry.
Eitherheescaped,orhewasputinprison,in______hewasneverseenagain.
Tourismhasbecomeaverybig【C1】______.ForSpain,ItalyandGreeceitisthelargest【C2】______offoreignexchange,andevenfo
WehavequiteabitofinformationaboutancientEgyptianmedicine.Doctors’instructionshavebeenfoundtotellus【56】theydid
Allthefollowingcasesareon-the-jobsmokingexceptthat______.Accordingtothepassage,on-the-jobsmokingaffectsanemplo
Whatdoestheauthormeanbysaying"theyknowbetternow?"Whichofthefollowingstatementsistrueaccordingtothepassage?
Themulti-billion-dollarWesternpopmusicindustryisunderfire.ItisbeingblamedbytheUnitedNationsforthedramaticris
Acertaintruckuses18gallonsofdieselfuelintraveling270miles.Inorderforthetrucktotravelthesamedistanceusing
Ananalystatafurniturecompanyhasnotedthatthecompanylosesapproximately$2millionperyearonitsmoney-backguarantee
随机试题
保护电器可靠动作的电流应小于等于()倍熔断器熔体额定电流。
营分证候可见血分证候可见
胎儿娩出10分钟,阴道出血200ml,应如何处理
关于急性泌尿道感染的临床表现,下列哪项是错误的
1.背景:某公司中标承建该市城乡接合部交通改扩建高架工程,该高架上部结构为现浇预应力钢筋混凝土连续箱梁,桥梁底板距地面高15m,宽17.5m,主线长720m,桥梁中心轴线位于既有道路边线。在既有道路中心线附近有埋深1.5m.的现状DN500自来水
羊毛毡呢帽
市场不能提供纯公共物品是因为()。
简述隐性课程的含义及表现形式。
对吸烟成瘾的心理治疗不包括()。
陈红、黄燕燕、余明明三人都买了新的手提电脑.手提电脑的牌子分别是苹果、戴尔和惠普。她们一起来到朋友张霞家,让张霞猜猜她们三人各自买的是什么牌子的手提电脑。张霞猜道:“陈红买的是苹果,黄燕燕买的肯定不是戴尔,余明明买的不会是苹果。”很可惜,张霞只猜对了一个。
最新回复
(
0
)