A linen shop has a certain tablecloth that is available in 8 sizes and 10 colors

游客2025-02-24 16

问题 A linen shop has a certain tablecloth that is available in 8 sizes and 10 colors. What is the maximum possible number of different combinations of size and color available?

选项 A、9
B、18
C、40
D、80
E、90

答案 D

解析一亚麻布商店有某种桌布，这种桌布共有8种尺寸10种颜色，问最多可以有多少种尺寸与颜色的不同组合?
解：本题的正确答案为(D)。组合的实质是分别从8种尺寸和10种颜色中各选出一个，因此共计有80种选法，即每一种尺寸都有10种颜色与之相配，所以共有8×10=80种不同的组合。

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A linen shop has a certain tablecloth that is available in 8 sizes and 10 colors

Thebuyerofacertainmechanicaltoymustchoose2of4optionalmotionsand4

Atime-studyspecialisthassettheproductionrateforeachworkeronacertain

Inacertaintwo-digitnumber,theunits’digitistwicethetens’digit.Colum

Thealtitudeofacertaintriangularsailis2metersgreaterinlengththanits

Acertainrectanglehasperimeter54.Iftheratioofthelengthoftherectangl

Thescoresreportedforacertainmultiple-choicetestwerederivedbysubtracti

Inacertainroom,allexcept18ofthepeopleareover50yearsofage.If15o

When2/5ofacertainnumberisaddedtothenumberandthissumissubtractedf

Ifacertaincompanypurchaseditscomputerterminalsforatotalof$540,400an

Onacertainnumberline,if-7isadistance4fromnand7isadistanceof18

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Self-motivationisbasicallytheabilitytogetyourselftotakeactionwhet

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