展开全部

题目列表

题目内容
Machine A and machine B, working simultaneously and independently at their respective constant rates, processed $$\frac{3}{4}$$ of the shipment of a certain product in 4.5 hours. Then machine A, working alone at its constant rate, processed the rest of the shipment in 6 hours. How many hours would it have taken machine B, working alone at its constant rate, to process the entire shipment of the product?

How many distinct solutions does the equation $$|1-|x-215||=1$$ have?
维度一:词汇能力

qualification----以下哪个意思,常在GRE填空里出现?
Each copy of Magazine X is sold either at the cover price of $3.25 per copy or at the subscription price of $1.75 per copy. The average (arithmetic mean) price of the copies of Magazine X that were sold last month was $2.25 per copy.

Quantity A

The number of copies of Magazine X that were sold last month at the subscription price

Quantity B

Twice the number of copies of Magazine X that were sold last month at the cover price




In quadrilateral ABCD shown, what is the value of x?

Give your answer to the nearest 0.1.
What is the greatest prime divisor of $$3^{100}$$- $$3^{97}$$?
Which of the following is the graph of $$|x-5| \leq 2$$?

When the integer n is divided by 33, the remainder is 24. Which of the following must be a divisor of n?
$$\frac{51!-50!}{50!-49!}$$=
Of the people surveyed about the effectiveness of various treatments for insomnia, 65 percent reported that prescription drugs were effective and 48 percent reported that exercise was effective. If 22 percent of those surveyed reported that prescription drugs were effective but did not report that exercise was effective,what percent of those surveyed reported that exercise was effective but did not report that prescription drugs were effective?
unimpressed----以下哪个翻译最合适?
unfounded ---- 以下哪个选项和单词的意思一致?
objective ----下面哪个选项不是这个单词的同义词?
unassailable ----下面哪个选项不是这个单词的同义词?

共收录:

25000 +道题目

269本备考书籍

最新提问