已选分类
管理学工商管理
单选题|3x+2|+2x2-12xy+18y2＝0，则2y-3x＝()。
单选题Intheexpressionabove,a,b,andcaredifferentnumbersandeachisoneofthenumbers2,3,or5.Whatistheleastpossiblevalueoftheexpression?
单选题在线性回归模型中，随机误差ε被假定服从( )。 A．正态分布 B．二项分布 C．指数分布 D．t分布
单选题EachnumberinthearrangementaboveisobtainedfromthetWOnearestnumbersinthecolumnimmediatelytotheleftbysubtractingtheuppernumberfromthelowernumber.Whatisthevalueofz?(1)x=7(2)t=5
单选题There were 36,000 hardback copies of a certain novel sold before the paperback version was issued. From the time the first paperback copy was sold until the last copy of the novel was sold, 9 times as many paperback copies as hardback copies were sold, if a total of 441, 000 copies of the novel were sold in all, how many paperback copies were sold?
单选题A merchant purchased a jacket for $60 and then determined a selling price that equalled the purchase price of the jacket plus a markup that was 25 percent of the selling price. During a sale, the merchant discounted the selling price by 20 percent and sold the jacket. What was the merchant's gross profit on this sale? (A) $0 (B) $3 (C) $4 (D) $12 (E) $15
单选题狭义的指数的含义是指( )。 A．动态指数 B．总指数 C．定基指数 D．个体指数
单选题已知某企业的销售净利率为 5％，总资产周转率为 1.2，资产负债率为 60％。该企业的所有者权益 报酬率为：
单选题企业文化构成的要素不包括：
单选题
商标在中国政府主办的或者承认的国际展览会展出的商品上首次使用的，自该商品展出之日起（ ）内，该商标的注册申请人可以享有优先权。
A、三个月 B、六个月
C、九个月 D、十二个月
单选题Isthepositiveintegernequaltothesquareofaninteger?(1)Foreveryprimenumberp,ifpisadivisorofn,thensoisp2.(2)isaninteger
单选题In the United States, vacationers account for more than half of all visitors to what are technically called "pure aquariums" but for fewer than one quarter of all visitors to zoos, which usually include a "zoo aquarium" of relatively modest scope.
Which of the following, if true, most helps to account for the difference described above between visitors to zoos and visitors to pure aquariums?
单选题
单选题CarsYandZtravelsidebysideatthesamerateofspeedalongparallelroadsasshownabove.WhencarYreachespointP,itforkstotheleftatanglex,changesspeed,andcontinuestostayevenwithcarZasshownbythedottedline.ThespeedofcarYbeyondpointPiswhatpercentofthespeedofcarZ?(1)thespeedofcarZis50milesperhour.(2)x=45
单选题When the integer n is divided by 6, the remainder is 3. Which of the following is NOT a multiple of 6?
单选题Acertainfractionisequivalentto.Ifthenumeratorofthefractionisincreasedby4andthedenominatorisdoubled,thenewfractionisequivalentto.Whatisthesumofthenumeratoranddenominatoroftheoriginalfraction?
单选题所谓大样本是指样本单位数在( )及以上。 A．30个 B．50个 C．80个 D．100个
单选题下属影响方式中属于内在影响的是：
单选题针对个体消费者的促销工具不包括( )
单选题What is the maximum capacity in cups of a pail that contains only sand and is filled to three fourths of its capacity? (1)If one cup of sand were added to the pail, it would be filled to seven eighths of its capacity. (2)If two cups were removed from the pail, it would be filled to one half of its capacity.