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

游客2024-01-12 41

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,

______ofthestudentsinourclassarefromthenorth.A、TwoninthB、Secondnint

SpeakerA:IwanttotakepartintheschoolTalentShow.SpeakerB:That’snic

________YellowRiverisknowntobe________secondlongestriverinChina.A、The;

Inasampleofassociatesatalawfirm,30percentaresecond-yearassociates,

Ifacopiermakes3copiesevery4seconds,thencontinuesatthisrate,howman

Acomputercanperform1，000，000calculationspersecond．Atthisrate，howmanyh

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]Whi

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]The

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]Acc

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]The

Idrovethroughasnow-whitenedlandscapetowardstheGrandCanyon.Itwash

[audioFiles]audio_eusm_j73_001(20082)[/audioFiles]A、Shewantstomakesureifs

技术分析中，波浪理论是由()提出的。A、索罗斯B、菲波纳奇C、艾略特D、道．琼斯C艾略特波浪理论是美国人艾略特发明的一种技术分析理论。波浪理论是

Itis,everyoneagrees,ahugetaskthatthechildperformswhenhelearnst

TheCaseforKillingMyMotherA)Mymotherwantedtodie,but

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宰后畜肉常温存放可发生自溶，这是由于其组织酶在原有体温维持期间分解了（ ）。A

YellowRiverisknowntobesecondlongestriverinChina.A、The;

宰后畜肉常温存放可发生自溶，这是由于其组织酶在原有体温维持期间分解了（　　）。A