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题目内容
A total of $24,000 was invested for one month in a new money market account that paid simple annual interest at the rate of r percent. If the investment earned $180 in interest for the month, what is the value of r?
A certain list has 5 entries and each entries is an integer between 55 and 70, inclusive. The median of the 5 entries is 60. If m is the average (arithmetic mean) of the 5 entries, which of the following must be true?
In order to determine the scores for the players, each word listed with 3 or 4 letters was given 1 point, each word listed with 5 or 6 letters was given 2 points, and each word listed with 7 letters was given 3 points. The score for each player was the sum of the points given for the words that the player listed. What was the absolute value of the difference between the score for Player A and the Score for Player B?

_____point(s)
Of the 3-letter words listed by Player A or Player B, 4 words were listed by both players. How many of the 3-letter words listed were listed by only one of the two players?
What is the average (arithmetic mean) number of letters per word in the words listed by Player B?
A certain museum contains a total of 1,500 works of art, of which 800 are paintings. Of the twentieth-century works of art in the museum, 40 percent are paintings. Of the works of art that are not paintings, 490 are not twentieth-century works of art.

How many twentieth-century works of art does the museum contain?
1+2+3+......+n=$$\frac{n(n+1)}{2}$$

For each integer n greater than 1, the sum of the first n positive integers is given by the formula shown.

If the average (arithmetic mean) of the first n positive integers is k, what is the sum of the first n positive integers in terms of k?


The figure above represents the floor plan of a basement in which all the walls meet at right angles. The measurements shown in the floor plan, including the two sides of length x, are in centimeters. The floor plan is drawn using a scale of 1 centimeter to 1.5 meters. If the perimeter of the floor is 39.4 centimeters, approximately what is the area, in square meters, of the basement floor?
A box contains 6 cards, numbered 1, 2, 3, 4, 5, and 6, respectively. If one of the 6 cards is to be selected at random, what is the probability that the number on the card selected will be greater than 3 or even or both?
The author would most likely agree with which statement about the "scarcity of archival sources”?
The author suggests that the “theoretical preoccupations of the 1990s" were
The author explains the “subordination” by discussing which of the following earlier in the passage?
$$rs^{4}t^{3} \lt 0$$

Quantity A

$$\frac{r}{t}$$

Quantity B

$$0$$

Quantity A

$$(5^{5})(7^{7})$$

Quantity B

$$((5)(7))^{5+7}$$
f(n)=$$\frac{2}{n}-\frac{2}{n+1}$$

Quantity A

f(5,943)

Quantity B

f(5,944)
|x-2| > y

Quantity A

|x|

Quantity B

y


Quantity A

The area of triangular region XYZ

Quantity B

The area of triangular region KLM
In a club composed of 30 members, $$\frac{2}{5}$$ of the members are older than 24 years and $$\frac{5}{6}$$ of the members are right-handed.

Quantity A

The number of members in the club who are older than 24 years and right-handed

Quantity B

10

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