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

游客2024-01-12 43

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

Enginesaretomachines______heartsaretoanimals.A、thatB、whichC、whenD、wha

Theteachertreatsthestudent______(就像自己的亲生孩子一样).asifhewerehis/herownc

TheInvisibleFuelProvidesEnsuranceforEnergySecurityintheFut

Almostacenturyafterhisdeath,thewell-knownFrenchauthorJulesVerneha

ThoughtsofsuicidehauntedAnitaRutnamlongbeforeshearrivedatSyracuse

A.夜间阵发性呼吸困难，不能平卧，咳泡沫痰 B.夜间阵发性呼吸困难，能平卧，咳

美国金融监管大致经历阶段中的审慎监管时期指的是（）。A.20世纪30年代至8

在互联网上，某一社会现象引发大家的普遍关注，形成了约定俗成的网络新词，这表明（

二尖瓣狭窄患者呼吸困难突然明显减轻，说明. A.合并心房颤动B.合并左心衰

从操作风险的定义来看，操作风险的产生可分为（）四大原因。A.内部流程 B.系