展开全部

题目列表

题目内容
The author would likely include which of the following evidence in the "facts of chronology"
The author of the passage would be most likely to disagree with the "agricultural historians" over whether
The author's reference to the fact that "even low elemental concentrations and minute features in diamonds can now be analyzed" serves primarily to
It can be inferred from the passage that natural diamonds are of geological interest because they provide information about

Quantity A

The area of triangular region A

Quantity B

The area of triangular region B




List L consists of at least 20 numbers, and the average (arithmetic mean) of the numbers in L is 25. If an additional number x is included in the list, the average of the numbers in L will increase by 2.

Quantity A

x

Quantity B

60




Quantity A

$$(0.001)^{-1}+(0.999)^{-1}$$

Quantity B

$$(0.002)^{-1}+(0.998)^{-1}$$




For all positive integers x and y, the operation $$\odot$$ is defined by x$$\odot$$y=$$x^{-y}$$.

Quantity A

$$(2\odot2)^{3}$$

Quantity B

$$(2\odot3)^{2}$$




Quantity A

380(y+6)

Quantity B

380(у+4) + 380(у+2)




If x is a positive integer and x > 5, which of the following could be the units digit of $$19^{x}$$?

Indicate all such digits.


In the figure shown, the area of the circular region is approximately 50 percent of the area of the shaded region. The area of the rectangular region is approximately what percent of the area of the circular region?
Which of the following inequalities is consistent with the statement that the time it took train K to travel r miles at a constant rate of s miles per hour is less than the time it took train M to travel y miles at a constant rate of z miles per hour?
The total annual per capita consumption of ice cream and cheese combined in 1950 was approximately what percent of that in 1990 ?
n=123456789101112.........499500

The digits of the integer n above are the digits of the integers from 1 to 500 written in consecutive order. How many digits does n have?


The top surface of a certain 1-inch-thick oak board is 8 inches wide and has an area of 960 square inches. What is the price of this board? (1 foot=12 inches)


For the 6-inch-wide boards listed, which of the following is closest to the ratio of the price per linear foot of the least expensive type of board to the price per linear foot of the most expensive type of board?


The price of one maple board that is 8 inches wide and n feet long is $1.50 less than the price of 2 maple boards that are each 4 inches wide and n feet long. What is the value of n?
As a result of a chemical reaction between compounds A and B. $$\frac{1}{4}$$ of each compound was transformed into an equal amount of the other compound, while the remaining $$\frac{3}{4}$$ of each compound was not transformed. If the amount of B was initially 4 times the amount of A. what was the ratio of the amount of A to the amount of B after the reaction?
All the chairs in a certain cargo have the same weight, and all the tables in the cargo have the same weight. There are 6 times as many chairs as there are tables. The weight of each table is 9 times the weight of each chair. If the total weight of the tables is 1,200 kilograms, then the total combined weight of the chairs and tables is how many kilograms?
Many leading photographers have begun to produce work specifically for galleries and museums, and therefore, not surprisingly, they now regard the long-standing question of whether photography really (i)________ art to be (ii)________.

共收录:

25000 +道题目

199本备考书籍

最新提问