the marbles are between the bookase and

lily_51512022-10-04 11:39:541条回答

已提交，审核后显示！提交回复

alenry 共回答了10个问题 | 采纳率90%: the marbles are between the bookase and desk
大理石是bookase和桌子之间
手机提问的朋友在客户端右上角评价点【满意】即可.; 1年前

There are 30 marbles with the same size in a box,in which th There are 30 marbles with the same size in a box,in which there are 10 red ones,8 white ones,7 yellow ones and 5 green ones.How many marbles should be taken out at least at a time so as to make sure there are 7 marbles with the same color without opening eyes 灰色心情lh1年前5: hangzhousungan 共回答了23个问题 | 采纳率95.7%

24次
两种想法：
1、如果每次取的颜色都不同,每个球取5次共取 5×4=20个,绿色已经取光了,还剩3种颜色,接着每个颜色取1次,3×1=3.最后只要再去1次,不论取出三种颜色的哪一种,都能保证有7个球颜色相同,所以有一共是20+3+1=24次.
第二种想法.
有5次把绿球都取光了,剩下的球只是三种颜色,每种颜色的球取6次,即6×3=18,然后再取一次就能保证有7个球颜色相同,所以有一共是5+18+1=24次.

1年前查看全部

这道题是SAT的历年真题这道题是SAT的真题Karl bought x bags of red marbles for 这道题是SAT的历年真题 这道题是SAT的真题 Karl bought x bags of red marbles for y dollars per bag,and z bag of blue marbles for 3y dollars per bag.If he bought twice as many bags of blue marbles as red marbles,then in terms of y,what was the average cost,in dollars,per bag of marbles?(A) (B) (C) 3x-y (D) 2y (E) 6y 留恋丁香1年前1: 岚822 共回答了20个问题 | 采纳率90%

卡尔以每包y美元的价格买了x包红弹珠,以每包3y美元的价格买了z包蓝弹珠.如果他买的蓝弹珠的包数是红弹珠的两倍,那么用y表示,平均每包弹珠的价格是多少美元?
买了x包红弹珠,则买了2x包蓝弹珠.
均价为：((2x * 3y + x * y) / (2x + x) = 7y/3
答案是7y/3.不知道对应你的A还是B.

1年前查看全部

A jar contains(装有)only red,green,and blue marbles(玻璃球).If it A jar contains(装有)only red,green,and blue marbles(玻璃球).If it is three times as likely(可能) that you randomly pick(随意选择) a red marble as a green marble,and five times as likely that you pick a green one as a blue one.Which of the following could be the number of marbles in the jar?（翻译并解答） 梁林5201年前3: dj520hp 共回答了23个问题 | 采纳率95.7%

一个罐子里面只装着红,绿,蓝三种颜色的玻璃球.你随机取一个红色玻璃球的机会是取出一个绿色玻璃球的三倍,你选随机取出一个绿色玻璃球的机会是取出一个蓝色的玻璃球的五倍.下列哪项可能是罐子玻璃球的总数?
答：由题意知道,红、绿、蓝三色弹子球的比例是：15：5：1,所以球的总数是21的倍数.四个选项中,选21的倍数.

1年前查看全部

Marshall had twice as many marbles ae Esther.when Esther gav Marshall had twice as many marbles ae Esther.when Esther gave him 12 of her marbles,he then hai 120 more marbles than her.how many marbles did Esther have at first redmaple4u1年前6: dzhb_ts 共回答了22个问题 | 采纳率90.9%

原题是：
已知Marshall的弹珠是Esther的两倍,若Esther给Marshall 12个弹珠,则
Marshall比Esther多120个弹珠,求刚开始的时候 Esther有几个弹珠呢?
设Esther有x个 ,则Marshall有2x个,由题知,
X-12=2X+12-120
解得 x =96
所以说Esther有96 个
Marshall有192个

1年前查看全部

一道概率题 A box contains 6 blue marbles and 4 red marbles. 一道概率题 A box contains 6 blue marbles and 4 red marbles. A box contains 6 blue marbles and 4 red marbles.An experiment is performed in which a marble is chosen at random and its color is observed,but the marble I not replaced.Find the probability that after 4 trials of the experiment,4 blue marbles will have been chose. The chance is ： wanggang99011年前2: 梦想照不进现实呀共回答了14个问题 | 采纳率92.9%

随机取,不放回
连续取到四个蓝色球的概率是
（6/10）*（5/9）*（4/8）*（3/7）=1/14

1年前查看全部

请问这句英文句子文法对吗There are 11 kinds of marbles used in the projec 请问这句英文句子文法对吗 There are 11 kinds of marbles used in the project on the drawings is the same as your attached form. canglanmm1年前3: jack913262 共回答了15个问题 | 采纳率100%

有点语法问题,意思表达得有点拗口,可以稍作调整.
不知道楼主是不是想表达这个意思：根据工程图纸,这个工程用了11种大理石,这与你的附表吻合.
如果是这个意思,可以改写为：According to the drawings,there are 11 kinds of marbles used in the project,which conforms with your form attached.（后面这里用个定语从句,意思会显得更明确,其中attach在这里做状语,修饰form表示被附上的表即附表,这样比attached form意思更明显.）
如果我的理解有误,还望楼主补充提问~

1年前查看全部

看看这句英语通不通顺In Vienna,you can see the bronzes and marbles of m 看看这句英语通不通顺 In Vienna,you can see the bronzes and marbles of musicians everwhere.（在维也纳,到处都可以看见音乐大师们的铜像和大理石像.） 蔚暧变乖1年前2: 猪口余香共回答了19个问题 | 采纳率94.7%

In Vienna,you can see bronze or marble statues of musicians everywhere.

1年前查看全部