首页
登录
职称英语
The average(arithmetic mean)of c and d is 12, and the average of c, d, and e is
The average(arithmetic mean)of c and d is 12, and the average of c, d, and e is
游客
2025-02-24
31
管理
问题
The average(arithmetic mean)of c and d is 12, and the average of c, d, and e is What is the value of e?
选项
A、6
B、10
C、12
D、18
E、20
答案
A
解析
The correct answer is A. First, set up equations to represent the given averages:
Next, simplify the first equation: c+d=24
Now, substitute this value into the second equation and solve for e:
24 + e = 30
e = 6
转载请注明原文地址:https://tihaiku.com/zcyy/3970647.html
相关试题推荐
Theaverage(arithmeticmean)ofcanddis12,andtheaverageofc,d,andeis
Iftheaverage(arithmeticmean)of7consecutivenumbersis16,whatisthesumo
Theaverageofxandyis16andtheaverageofx,y,andzis2Whatisthevalu
If1+x+x2+x3=60,thentheaverage(arithmeticmean)ofx,x2,x3,andx4is
Whichofthefollowingisclosesttotheaverage(arithmeticmean)numberofcardi
Thesumofnintegersisgreaterthan48.Iftheaverage(arithmeticmean)ofth
Theaverage(arithmeticmean)ofxandyQuantityA:s+2QuantityB:y-1A、Quanti
ListAcomposesofnconsecutivepositiveintegers.QuantityA:Theaverageofl
AtraintravelsfromBeijingtoTianjinatanaveragerateof40milesperhour
theaverageofnconsecutiveintegersbeginningwith1is12QuantityA:nQuant
随机试题
Everyyearthroughouttheworld【C1】______6,000earthquakesaredetected.The
[originaltext]W:I’mgladthatyouhavedecidedtotakealook.It’sabeautifu
教育是文化传播的重要途径,在全球化进程中,各国之间互派留学生和访问学者越来越多,
设备安装定位时,关于埋设标高基准点的要求,以下说法错误的是()。A.标高基准点
北方某城市在建学校,施工现场有混凝土搅拌机若干台,铭牌标注JG-750型,表示出
肠套叠患儿大便性状为A.柏油便 B.蛋花汤样 C.果酱样便 D.脓血便
基金管理人在进行投资决策业务控制时,为了确保在设定的风险权限额度内进行投资决策,
某公司一台机器使用期满决定报废。该机器原价500000元,己计折旧470000元
根据《行政处罚法》,关于听证程序的说法错误的是( )。A.行政机关对相对人作出暂
决策风格中,决策者具有较高的模糊耐受性以及很强的任务和技术取向的是()。A.指导
最新回复
(
0
)