The average of a set of six integers is 3When a seventh number is included in th

游客2025-02-24 41

问题 The average of a set of six integers is 3When a seventh number is included in the set, the average of the set increases to 4What is the seventh number?

选项

答案 101

解析 The correct answer is 101. If the average of the six integers is 38, then the total must be 6x38 = 228. If the average of the seven integers is 47, then the total must be 7x47 = 329. You are adding the seventh integer to the set, so the value of the seventh integer will be 329-228 = 101.

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The average of a set of six integers is 3When a seventh number is included in th

Theaverageofasetofsixintegersis3Whenaseventhnumberisincludedinth

Iftheaverage(arithmeticmean)oftwonumbersis16andoneofthenumbersisx,

If4morethantwicenisanegativenumberand6morethannisapositivenumb

Whichofthefollowingisthesumoftwopositiveintegerswhoseproductis36?A

Whentheaverageofalistofcoursegradesismultipliedbythenumberofcours

Whichoftheintegers2,9,19,29,30,37,45,49,51,83,90,and91areprime

Alistofnumbershasameanof8andastandarddeviationof2.Ifxisanumber

Ifthefunctiongisdefinedforallnonzeronumbersybyg(y)=[img]2014m9x/ct_e

Ifthefunctiongisdefinedforallnonzeronumbersybyg(y)=[img]2014m9x/ct_e

LetSbethesetofallpositiveintegersnsuchthatn2isamultipleofboth2

ThemanwhoinventedCoca-ColawasnotanativeAtlantan,butonthedayof

Whereisthehomeoftigers?[br]Whichdoesthetigerlikebettertoeat,meno

表中有几个机场2011年货邮吞吐量同比下降？() A.2 B.3 C.

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上交所科创板发行人和主承销商应当在申购前，披露（ ）的报价中位数和加权平均数等

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