A talent contest has 8 contestants. Judges must award prizes for first, second,

游客2025-02-24 21

问题 A talent contest has 8 contestants. Judges must award prizes for first, second, and third places, with no ties.
(a)In how many different ways can the judges award the 3 prizes?
(b)How many different groups of 3 people can get prizes? [br]

选项

答案 56

解析

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A talent contest has 8 contestants. Judges must award prizes for first, second,

SpeakerA:IwanttotakepartintheschoolTalentShow.SpeakerB:That’snic

Thedramaschool______placestostudentswhocanshowtalent.A、donatesB、offers

Thespeechcontestwillgivehimanopportunityto______histalent.A、denyB、deci

Let’sfinishourhomeworkinafewseconds;it’stimewe______.A、playedfootbal

AsecondEinsteinnotewasalsosoldattheauction.爱因斯坦的第二张便条也在拍卖会上被卖出。

Inasampleofassociatesatalawfirm,30percentaresecond-yearassociates,

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]Whi

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]The

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]Acc

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]The

GoodWritingEducatorsinEnglish-speakingcount

Whatisonewordtodescribethefather’sopinionaboutthemovie’sstoryline?[

A.officialB.focusedC.commonlyD.economicalE.surgeriesF.discoun

[originaltext]W:Well,tonightwehaveAndrewGreeninourstudiototalkabout

IonceknewadognamedNewtonwhohadauniquesenseofhumor.WheneverIt

IfthepopulationoftheEarthgoesonincreasingatitspresentrate,there

在进行区域构造背景研究时应进行坝址周围8km范围内的坝区专门性构造地质测绘，判定

槲寄生的原植物科名是A.桑寄生科 B.列当科 C.兰科 D.豆科 E.小

医生在1名已确诊的肝癌患者治疗中，妥当的做法应是A:对患者绝对保密 B:向患者

材料1 2011年2月，科技部和科学技术奖励工作办公室发布通告，经调查

材料1 　　2011年2月，科技部和科学技术奖励工作办公室发布通告，经调查