When x is divided by 7, the remainder is What is the remainder when 2x is divided by 7?______

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问题 When x is divided by 7, the remainder is What is the remainder when 2x is divided by 7?______

选项

答案1

解析 The correct answer is 1. You are given that x divided by 7 leaves a remainder of 4. Assume that 7 goes into x one time with a remainder of 4: x=11. Because x=11, 2x=22. 7 goes into 22 3 times, with a remainder of 1.

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When x is divided by 7, the remainder is What is the remainder when 2x is divided by 7?______

GRE QUANTITATIVE

GRE

Ifathree-digitnumberisselectedatrandomfromtheintegers100to999,inclusive,whatistheprobabilitythatthefirstdi

Therearefivecardsmarked1,2,3,4,5inabox.Ifthesumoftwocardswhicharetakenfromthosecardsrandomly(noreplac

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Ifxandyareintegers,isxy+1divisibleby3?(1)Whenxisdividedby3,theremainderis1.(2)Whenyisdividedby9,

Itwasonceassumedthatalllivingthingscouldbedividedintotwofundamentalandexhaustivecategories.Multicellularplants

Onerandomlyselectedgroupsawaspeakerlectureonenvironmentalethicstoalarge,attentiveaudience,andadifferentrandom

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制备水溶性滴丸时用的冷凝液是（ ）。滴丸的非水溶性基质是（ ）。

可直接作用于心脏的有毒中药是()

下列律师名片的印制方式不属于律师的不正当竞争的是()。

下列属于流量的是()。

为保证市场经济稳定运行的主要调控手段是()。

以下有关我国佛教石窟对应正确的有()。

引进选题时，不属于著作权贸易流程管理的是()。

全体公民在社会交往和公共生活中应遵循的行为准则是()。

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