Martha invited 4 friends to go with her to the movies. There are 120 different w

游客2024-01-12 69

问题 Martha invited 4 friends to go with her to the movies. There are 120 different ways in which they can sit together in a row of 5 seats, one person per seat. In how many of those ways is Martha sitting in the middle seat?

选项

答案 24

解析

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Martha invited 4 friends to go with her to the movies. There are 120 different w

Ounceforounce,blendsofdifferentartificialsweetenersmatchanyindividual

InspectionsystemXandinspectionsystemY,thoughbasedondifferentprinciple

Gall’shypothesisoftherebeingdifferentmentalfunctionslocalizedindiffere

Somebatcaves,likehoneybeehives,haveresidentsthattakeondifferentdutie

Ifn=pqr,wherep,q,andrarethreedifferentpositiveprimenumbers,howma

Thesumofndifferentpositiveintegersislessthan100.Whatisthegreatest

Apositiveintegerwithexactlytwodifferentdivisorsgreaterthan1mustbeA、a

Twodifferentpositiveintegersxandyareselectedfromtheoddintegersthat

Fromaboxof10lightbulbs,youaretoremove4.Howmanydifferentsetsof4l

Marthainvited4friendstogowithhertothemovies.Thereare120differentw

______isconsideredtobeoneofthegreatestpoetsintheEnglishliteratureof

AlthoughFrench,German,AmericanandBritishpioneershaveallbeencredite

Theidealcompanionmachinewouldnotonlylook,feel,andsoundfriendlybu

CompletethediagrambywritingNOMORETHANTHREEWORDSinthebaresprovided.

ShouldUrbanGrowthbeRestricted?VocabularyandExpressionsrepercussionA

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上尿路结石是指()。A.膀胱结石 B.输尿管结石 C.肾结石 D.输尿

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