展开全部

题目列表

题目内容
According to a survey of 300 college students, 40 percent had students loans and 25 percent had scholarships. If 55 percent of the students surveyed had neither student loans nor scholarships, how many of the students had both student loans and scholarships?
In a barrel, there are in ping-pong balls labeled with consecutive integers from $$1$$ to $$n$$, where $$n$$ is an odd integer greater than $$50$$. If a ball is to be randomly selected from the barrel, what is the probability that the ball selected will be a ball that is labeled with an odd integer?
In an appliance store, the ratio of the number of radios in stock to the number of television sets in stock is 0.4. Exactly 10 radios and $$x$$ television sets are added to the appliances in stock, and the ratio of radios to television sets in stock remains at 0.4.

Quantity A

$$x$$

Quantity B

30


A bag contains 32 identically wrapped pieces of candy, of which 7 are mints, 11 are caramels, and the rest are chocolates. If Jill selects pieces of candy at random, what is the least number she must remove from the bag to be sure that she gets a caramel?
If dark energy is an energy field, it would not be ____________: it might once have been stronger or weaker than it is now and could have affected the universe differently at different times.
One of the incongruities of modern industry, according to Reck and Graedel, is that we manufacture modern products with the most sophisticated technologies available yet generally adopt relatively ____________ approaches to recycling them.
The Federal Reserve Bank is one of the most ____________ institutions in the United States, yet many are not aware of the important operations and activities it has carried out during its lifetime.
In the xy-plane, the point $$(t, t-1)$$ lies on the line with equation $$y=-\frac{1}{2} x +\frac{1}{3}$$. What is the value of $$t$$?

Give your answer as a fraction.
In a study of the size of frogs, group I consists of five frogs whose average (arithmetic mean) length is 4.7 centimeters. Group II consists of five frogs whose lengths are 4.3, 4.6, 4.7, 4.8, and 5.1 centimeters.

Quantity A

The standard deviation of the lengths of the five frogs in group I

Quantity B

The standard deviation of the lengths of the five frogs in group II


The number of different subsets of 4 elements that can be selected from a set of 6 elements is 15. How many different subsets of 3 elements can be selected from a set of 7 elements?
According to the passage, after the 1440s, Timurid paintings of court scenes
Integer $$n$$ is a multiple of $$6$$.

Quantity A

The remainder when $$26n$$ is divided by $$4$$

Quantity B

$$2$$






A homeowner wants to pour concrete for a new patio and walkway according to the layout shown above. If the concrete is to be $$\frac{1}{3}$$ foot thick, how many cubic feet of concrete will be needed to form the patio and walkway?


AD=$$\frac{1}{3}$$AB

AF=$$\frac{1}{3}$$AC

BE=$$\frac{1}{3}$$BC

The sum of the areas of the shaded regions is what fraction of the area of triangle ABC above?

Give your answer as a fraction.
The passage suggests which of the following about "surface fractures"?
The passage implies the author's agreement with which of the following statements about changes in how childhood was viewed?
In early twentieth-century India, the claim that films from the West screened by "first-class theaters" were exclusively "high-class features" was_________, since a film's being screened by such theaters was interpreted as a confirmation of quality.
$$h^{2}>1$$

Quantity A

h

Quantity B

$$\frac{1}{h}$$




$$\frac{x^{3}}{y^{6}}$$=$$\frac{1}{27}$$

Quantity A

3x

Quantity B

$$y^{2}$$




An exercise ball is made from soft elastic that has uniform thickness of 2 millimeters, and the interior of the ball is filled with air. The ball is in the shape of a sphere and has an exterior diameter of 65 centimeters. What is the radius of the interior of the ball, in millimeters?

共收录:

25000 +道题目

269本备考书籍

最新提问