If= 1, which of the following statements describes d in terms of n ?

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问题 If

= 1, which of the following statements describes d in terms of n ?

选项 A、d is 4 less than n.
B、d is 4 more than n.
C、d is 3/7 of n.
D、d is 2 times n.
E、d is 5 times n.

答案E

解析 To describe d in terms of n, you need to solve the equation

= 1 for d. To simplify the equation, you can begin by multiplying both sides by 7n - d and then proceed as follows.

d - 3n = 7n — d
d=10n-d
2d= 10n
d = 5n
The correct answer is Choice E.

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If= 1, which of the following statements describes d in terms of n ?

GRE QUANTITATIVE

GRE

昨天，我坐在办公室写报告时，小明从英国打电话过来了。

13岁以下的儿童应坐在后座。

Expertssuggestusingadifferentpasswordforeverywebsiteyouvisit,andchangingthepasswordeveryfewmonths.Ittakestro

AsTheplanecircledovertheairport,everyonesensedthatsomethingwaswrong.Theplanewasmovingunsteadilythroughtheair

Ourpreferencesforcertaincolorsare______accordingtothepassage.Ifpeopleareexposedtobrightred,whichofthefollo

Accordingtothepassage,______.People’sfacialexpressionsmaybemisunderstoodbecause______.

Therewasonethoughtthatairpollutionaffectedonlytheareaimmediatelyaroundlargecitieswithfactoriesandheavyautomob

Bigdatacanbedefinedasinformationthatistoobigorcomplextobecontainedorprocessedbyanyonemachineorperson.

Inmyculture,itisnotacceptedornormaltogoagainstparents’wishes.IbelongtoasmallandnativecommunityintheOaxac

Theequationrelatesthevaluesoftwolinkedcurrencies,whereRisthevalueindollarsofonecurrencyandSisthevaluein

公安执法监督的对象是公安机关及人民警察。()

有关现金和银行存款收付的原始凭证如填写错误应按规定的程序进行划线更正。()

恶性胸膜间皮瘤标准的根治术不包括的范围是

男，30岁，2年来时出现尿频、尿道灼痛、排尿不尽感，尿后流出少许白色黏液，伴有下腹部、腰骶部及睾丸疼痛不适。饮酒、受凉后上述症状加重。最可能的诊断是

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