Loading Web-Font TeX/Main/Regular
展开全部

题目列表

题目内容
Earth makes a complete revolution around the Sun once per year in a nearly circular orbit that has a radius of about 93x10^6 miles. Of the following, which is closest to the distance in miles, that Earth travels in that orbit in one year?
In the figure above, the vertices of square BDFH are the midpoints of the sides of square ACEG, and a circle is inscribed in square BDFH. lf the radius of the circle is \sqrt{2} , what is the length of each side of square ACEG?
In the figure above, KLMN is a square. If s is the length of a side of the square, what is the area of the circular region in terms of s?
The figure shows two circles that are each tangent to three sides of rectangle RSTW and that have centers at P and Q, respectively. If each circle has a circumference of c, what is the area of rectangular region RSTW in terms of c?
A total of 64 cubical blocks, each 3 inches on an edge, are stacked in layers to form a large cubical block, What is the volume, in cubic inches, of the large block?
The cube has vertices A, B, C, D, E, F, G, and H and edges of length 1. Line segments BH and EG are not shown.

Quantity A

The measure of angle BHD

Quantity B

The measure of angle FGE


The right circular cylinder shown has a diameter of 10, a height of h, and a total surface area of 130π, including the side, top, and bottom.

Quantity A

h

Quantity B

10


A rectangular label is attached to a right circular cylinder with radius r. The label which encircles the cylinder without overlap, has width w and an area equal to the area of the base of the cylinder.

Quantity A

w

Quantity B

r


The figure shows a set of four revolving rectangular doors, each of which is 4 feet wide and 10 feet high. The doors revolve 360 degrees around the fixed axis that is formed where the four doors connect. Which of the following is closest to the minimum number of cubic feet of space that is required for the set of doors to revolve?
Consider a sphere such that the ratio of the surface area of the sphere to its volume is 7. What is the radius of the sphere? (Note: The surface area of a sphere with radius r is 4πr^2, and the volume of a sphere with radius r is \frac{4}{3} πr^3.)
What was the median cost per pound, in dollars, of compound C for the six years shown?
A manufacturer bought 500 pounds of compound C in 1997 and, through a process costing a total of $50, produced from it 450 pounds of compound B, which was then sold in 1998. lf the compounds were bought and sold at the rates shown in the table and if the only costs to the manufacturer were the cost of the compound C and the processing, what was the manufacturer' s total profit from this transaction?
Compounds A, B, and E are the only materials used to make a certain product. In this product, compounds A, B and E are used in the ratio of 3 to 2 to 5, respectively, by weight. In 1998, what was the cost of the materials used to make one pound of this product?
The median yearly per capita consumption of veal, lamb, and pork, in pounds, for the six years shown is closest to which of the following?
In 1995, poultry represented approximately what percent of the total yearly per capita consumption of protein from the sources listed?
The following statistical measures were calculated using the yearly per capita consumption of poultry for the six years shown. Which of the following is equal to the difference between the yearly per capita consumption of poultry in 1995 and in 1975?
The figure shows the distribution of class sizes for 125 classes at a certain college. Based on the figure, which of the following values could be the median of the 125 class sizes? Indicate all such values.

共收录:

25000 +道题目

239本备考书籍

最新提问

    Get Microsoft Silverlight