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

游客2024-01-12 35

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?

选项

答案 (a)336(b)56

解析

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

Thespeed______is340meterspersecond.A、atwhichsoundtravelsB、withwhichso

Inasecond-handbookshop,Billycameacrossabookwhichhethoughtwascertain

Thespeechcontestwillgivehimanopportunityto______histalent.A、denyB、deci

Let’sfinishourhomeworkinafewseconds;it’stimewe______.A、playedfootbal

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。

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]The

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]Acc

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]The

AnAmericanmanufacturerofracingbikesreporteda1996second-quartergrossin

Whatdoesthewomandoatthelibrary?[br][originaltext]W:Hi,Tom.How’sit

Whenthesentence"Wouldyoumindmovingyourcase?"isturnedintoindirectspe

Canyouchangeyournamejustbecauseyoudon’tlikeit?Andtheanswerapp

Forthispart,youareallowed30minutestowriteanessayonsuccessbyre

厌恶风险的投资者偏好确定的股利收益，而不愿将收益留存在公司内部去承担未来的投资风

A.289868J/kg B.283988J/kg C.265276J/kg

（2021年真题）矿业权评估，地质要素评序法中的价值指数的内涵是（）。A.

关于石膏绷带固定护理描述错误的是A:观察肢端血液循环 B:肢体肿胀消退引起石膏

麝香的功效不包括A.开窍 B.活血 C.止疼 D.安神

4个月婴儿，体重6kg，母亲因故不能哺乳，改用牛乳喂养。按添加辅助食品的原则，该