首页
登录
职称英语
Dan has a membership at a local gym that also gives classes three nights a week.
Dan has a membership at a local gym that also gives classes three nights a week.
游客
2024-01-14
55
管理
问题
Dan has a membership at a local gym that also gives classes three nights a week. On any given class night, Dan has the option of taking yoga, weight training, or kickboxing classes. If Dan decides to go to either one or two classes per week, how many diff
选项
A、3
B、6
C、7
D、9
E、12
答案
D
解析
This problem is best done by brute force. First, we must establish that Dan has the option of taking one or two classes per week. If he only takes one class, the three possibilities are Y, W, and K. If he takes two classes per week, the six possibilities are YY, KK, WW, YK, YW, and WK (because the problem is looking for combinations, not arrangements). So that adds up to nine possible combinations.
转载请注明原文地址:https://tihaiku.com/zcyy/3360503.html
相关试题推荐
Reducingthesizeofclassesinschoolsisa______aiminthenearfuture.A、delig
Studentsareexpectedto______theirclassesregularly.A、comeB、goC、attendD、fol
Danhasamembershipatalocalgymthatalsogivesclassesthreenightsaweek.
Thetablebelowshowstheenrollmentinvariousclassesatacertaincollege.[im
HomelyHotelshasacustomerloyaltyprograminwhichforeveryfournightsacu
AtCollegeCtherearefrom2to4introductoryphilosophyclasseseachsemester
PROFILEOFCONGRESSINYEARX(totalmembership:535)[img]2014m5x/ct_egreqm_egr
PROFILEOFCONGRESSINYEARX(totalmembership:535)[img]2014m5x/ct_egreqm_egr
PROFILEOFCONGRESSINYEARX(totalmembership:535)[img]2014m5x/ct_egreqm_egr
PROFILEOFCONGRESSINYEARX(totalmembership:535)[img]2014m5x/ct_egreqm_egr
随机试题
Ifthefunctiongisdefinedforallnonzeronumbersybyg(y)=[img]2014m9x/ct_e
Ican’t______himfromhisbrother.Theylookverymuchalike.A、keepB、separateC
ComputerCrimeI.IntroductionCurrentsituation;theincreaseinn
A.understoodB.lengthC.optimismD.bridalE.happenedF.evenG.ide
[originaltext]W:Youcaneithergowithmeoryoucanstayhereattheapartmen
当你要对文字图层执行滤镜效果时,首先应当做什么:
以下关于海明码的叙述中,正确的是( )。A.海明码利用奇偶性进行检错和纠错
中国证监会发布的《上市公司行业分类指引》把上市公司按()级进行分类。A:一B:
下列()不属于用人单位的禁止性行为。A.委托职业中介机构招聘 B.要求劳动
某危险化学品仓储公司因动火作业引发火灾,造成10人当场死亡、5人受伤,其中员工宋
最新回复
(
0
)