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
Solve each of the following systems of equations for x and y. (a)x + y = 24 x-y = 18 (b)3x-y = -5 x + 2y = 3 (c)15x-18-2y = -3x
Solve each of the following systems of equations for x and y. (a)x + y = 24 x-y = 18 (b)3x-y = -5 x + 2y = 3 (c)15x-18-2y = -3x
admin
2018-12-14
90
问题
Solve each of the following systems of equations for x and y.
(a)x + y = 24
x-y = 18
(b)3x-y = -5
x + 2y = 3
(c)15x-18-2y = -3x + 7
10x + 7y + 20 = 4x + 2
选项
答案
(a)x=21 y=3 (b)x=-1 y=2 (c)x=1/2 y=-3
解析
转载请注明原文地址:https://www.kaotiyun.com/show/FMkO777K
本试题收录于:
GRE QUANTITATIVE题库GRE分类
0
GRE QUANTITATIVE
GRE
相关试题推荐
They______friendssincetheymetinShanghaitenyearsago.
______allthemoneypeopleherespendeatingout,restaurants’profitisstillbelowfivepercent.
BythetimeIfinishedhighschool,myinterestinanimalshadgrown,andenrolledatauniversitytostudybiology.Ilearneds
Thevitaminsnecessaryforahealthybodyarenormallysuppliedbyagoodmixeddiet(饮食),includingavarietyoffruitsandgre
Thedriver______thepassengersoffatthesupermarketandthenwenttothenextstop.
KidsoftenaskScoutBassett,ofPalmDesert,California,ifshewishesshehadtwonormallegs.Scout,18,answers,"No.Ihave
Agoodmodernnewspaperisanextraordinarypieceofreading.Itisremarkablefirstforwhatitcontains:therangeofnewsfro
Jessie:Ohboy.Idon’tthinkIcaneverfiguretheproblemout.Peter:______
Normallyastudentmustattendanumberofcoursesinordertograduate,andeachcoursewhichheattendsgiveshimagradewhic
Weallknowthatitispossibleforordinarypeopletomaketheirhomesontheequator,althoughoftentheymayfeeluncomfortab
随机试题
下列各项中,适用于以正虚为主的虚实夹杂证的是
硝酸银滴定法测定氯化钠含量时,适用的指示剂是
诊断重症胎盘早剥的依据,下列哪项是错误的
肺表面活性物质减少时可导致
企业发生的下列交易或事项不会直接影响营业利润的有()。
德育在青少年学生的发展中具有()
甲是盲人,独自行走在马路上,迎面驶来一辆卡车,甲并没有发觉,就在甲将被卡车撞倒时,路边的乙箭步过来,推开了甲,但是自己脱身不及,被卡车剐蹭而跌倒,肩部韧带撕裂,经查,卡车车主与肇事司机都是丙。对此,下列说法正确的有()。
设n维列向量组α1,α2,…,αm(m<n)线性无关,则n维列向量组β1,β2,…,βm线性无关的充分必要条件是().
Valentine’sDaymaycomefromtheancientRomanfeastofLupercalia.【B1】______thefiercewolvesroamednearby,theoldRomans
如下图所示,某园区网用10Gbps的POS技术与Internet相连,POS接口的帧格式是SDH。园区网内部路由协议采用OSPF,园区网与Internet的连接使用静态路由协议。请阅读以下R3的部分配置信息,并补充空白处的配置
最新回复
(
0
)