展开全部

题目列表

题目内容
Car A and car B were each driven on a 300-mile trip during which car A's mileage was 40 miles per gallon of gasoline and car B's mileage was 30 miles per gallon of gasoline. The gasoline used on the trip for car A cost $4.00 per gallon, and the gasoline used on the trip for car B cost $3.50 per gallon.

Quantity A

The total cost of the gasoline used on the trip for car A

Quantity B

The total cost of the gasoline used on the trip for car B


$$k$$ is a positive integer.

Quantity A

$$(\frac{1}{5})^{-k}$$

Quantity B

$$(\frac{1}{2})^{-2k}$$


Which of the following integers CANNOT be expressed as $$x^2+y^2+z^2$$, where $$x$$, $$y$$, and $$z$$ are integers?

The coordinates $$(x, y)$$ of each point in the shaded region shown in the xy -plane above satisfy which of the following inequalities?
In the xy-plane, which of the following points are in the triangular region with vertices $$(0, 0)$$, $$(3, 0)$$ and $$(3, 2)$$? Indicate all such points


The measure of angle $$BAC$$ is greater than $$90$$ degrees.

Quantity A

The length of $$BC$$

Quantity B

$$8$$


The length of a line segment joining the midpoints of two sides of equilateral triangle $$T$$ is $$1$$. What is the length of a side of equilateral triangle $$T$$?


Quantity A

$$x$$

Quantity B

$$y$$




In the figure above, $$AD$$ and $$BD$$ are diameters of the larger and smaller circles, respectively. If $$AB=BC=CD$$ what fraction of the area of the larger circular region is shaded?
If the difference in monitor sizes accounts for $$\frac{2}{3}$$ of the difference in price between the Standard and the Deluxe model, how much of the difference in the prices of the two models is not accounted for by the difference in monitor sizes?
The price of the Deluxe Plus model is approximately what percent greater than the price of the Standard model?
In the Standard model, if the ratio of the length to the width of the rectangular monitor screen is $$4$$ to $$3$$, which of the following is closest to the area of the screen, in square inches?
If the average (arithmetic mean) of the integers from $$1$$ to $$n$$, inclusive, is equal to $$17$$, what is the value of $$n$$?
In a company, $$\frac{2}{3}$$ of the employees are women and $$\frac{1}{2}$$ of the employees are college graduates.

Quantity A

The fraction of the employees in the company who are women college graduate

Quantity B

$$\frac{1}{6}$$


Let s be the sum of the first $$500$$ positive integers. What is the value of $$2s+501$$?
A sales representative' s monthly earnings consist of a base salary of $$ $3,500$$ plus a commission equal to $$5$$ percent of monthly sales in excess of $$ $50,000$$. If monthly sales total $$s$$ dollars and $$s > 50,000$$, what are the sales representative' s monthly earnings in terms of $$s$$, in dollars?
A total of $$ $72,000$$ 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 $$ $360$$ in interest for the month, what is the value of $$r$$?
James and Ellie are two of $$32$$ people standing in a line for move tickets. There are $$12$$ people, including Ellie, behind James, and there are $$4$$ people between James and Ellie. How many people are in front of Ellie in the line?


If the algebraic expression $$(a+b+c)^2$$ is represented geometrically by the square above, then the expression $$2ab+2bc$$ is represented by which of the following sets of regions?
$$n \gt 4$$

Quantity A

$$n^2-5n+4$$

Quantity B

$$n^2-6n+9$$


共收录:

25000 +道题目

251本备考书籍

最新提问