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

游客2025-02-24 12

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 336

解析

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

SpeakerA:IwanttotakepartintheschoolTalentShow.SpeakerB:That’snic

________YellowRiverisknowntobe________secondlongestriverinChina.A、The;

Thedramaschool______placestostudentswhocanshowtalent.A、donatesB、offers

Thespeechcontestwillgivehimanopportunityto______histalent.A、denyB、deci

Themanhasaspecialtalentforartandis______ofamusician.A、anybodyB、any

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

Inasampleofassociatesatalawfirm,30percentaresecond-yearassociates,

Ifacopiermakes3copiesevery4seconds,thencontinuesatthisrate,howman

BenandAnnareamong7contestantsfromwhich4semifinalistsaretobeselecte

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]Whi

Wouldn’titbegreatifyoucouldjustlookupattheskyandreadtheweath

TheUShasanenduringloveaffairwiththecar.MostAmericanssimplywon’t

TheUseofChildren’sLiteratureinEnglishTeachingI.Acase:

中国期刊网专题全文数据库，收录的主题范围包括（）个专辑。A.8 B.9 C

高钾血症时，心电图的早期改变是A.ST段降低 B.T波高而尖，QT间期延长

【答辩题目解析】 1.恒定电流、交变电流和直流电的区别? 【参考答案】 直流电就是方向不随时间变化的电流，恒定电流就是大小和方向不随时间

关于表观分布容积小的药物，下列正确的是A.与血浆蛋白结合多，多在细胞间液 B.

一住店客人未付房钱即想离开旅馆去车站。旅馆服务员揪住他不让走，并打报警电话。客人

投资项目决策分析与评价的基本要求包括贯彻落实科学发展观、资料数据准确可靠和()

CO在血液中运输的次要方式是A.物理溶解 B.与水结合成碳酸 C.形成氧合血

YellowRiverisknowntobesecondlongestriverinChina.A、The;

【答辩题目解析】 1.恒定电流、交变电流和直流电的区别? 【参考答案】直流电就是方向不随时间变化的电流，恒定电流就是大小和方向不随时间