展开全部

题目列表

题目内容
An artist will arrange 5 identical plastic apples in wooden bowls-one made of maple, one of oak, and one of pine. How many different arrangements are possible such that each bowl will contain at least one apple?
Whereas ground-based interferometers detect astrophysical events briefly and infrequently, space-based ones should hear a ________of signals as soon as they turn on, including a constant chorus from binary white dwarfs in our galaxy.
$$x \gt 0$$

Quantity A

$$\frac{1}{9}$$ of $$x$$

Quantity B

$$11$$ percent of $$x$$


Quantity A

380(y+6)

Quantity B

380(у+4) + 380(у+2)




The harmonic mean of two positive numbers is the reciprocal of the average (arithmetic mean) of their reciprocals. The harmonic mean of 10 and 20 is closest to which of the following?
Which of the following, if true, would most weaken the author's argument that the ability of the United States to absorb more carbon dioxide than it produces is not a result of efforts to protect the environment?

Quantity A

$$\frac{9^{17}}{8^{17}}$$

Quantity B

$$\frac{9^{17}+5^{10}}{8^{17}+5^{10}}$$


Quantity A

The digit in the hundredths place in the the number 0.083

Quantity B

The digit in the hundreds place in number 1600


Quantity A

The ones digit of $$208^{208}$$

Quantity B

7


Nancy invested $5,000 for $$x$$ years at an annual interest rate of 6 percent, compounded annually.

David invested $6,000 for $$y$$ years at an annual interest rate of 6 percent, compounded semiannually.

Quantity A

The total amount of interest that Nancy's investment earned

Quantity B

The total amount of interest that David's investment earned


Nine integers are to be selected so that their product will be even.

Quantity A

The least possible number of the nine integers that can be even

Quantity B

2




A town library held a reading drive, in which 20 elementary school students were asked to record the number of books they read over the summer. Only whole numbers of books were recorded. The table above shows the results of the reading drive. The average (arithmetic mean) number of books read by the students was 2 books per student.

Which of the following statements individually provide(s) sufficient additional information to conclude that only one student read only 5 books?

Indicate all such statements.
In a certain corporation,an employee council will consist of 3 employees who will be selected from 20 eligible employees. If each of the 3 positions on the council has a different role on the council,then there are 6,840 possible 3-employee selections from the 20 eligible employees. How many possible 3-employee selections are there if the 3 positions all have the same role?


In the figure shown, triangle ABC is equilateral, and arc AEC is a circular arc with center B.

Quantity A

The length of line segment AC

Quantity B

The length of line segment BE


The author suggests which of the following about the "expansion of the electorate to include women" in eighteenth-century Britain?
Five gift cards will be distributed among 10 people so that no person receives more than one gift card. The gift cards consist of one $100 gift card, one $50 gift card, one $25 gift card and two $10 gift cards. How many different distributions of the five gift cards among the 10 people are possible if the two $10 gift cards are considered to be identical?
In 2009, the price of a certain stock increased by 25 percent from May 1 to June 1 and decreased by $$n$$ percent from June 1 to July 1. If the price of the stock on July 1 was greater than the price of the stock on May 1, which of the following could be the value of $$n$$?

Indicate all such values.
The distance from Karen' s home to an office is 98.4 miles along a certain route. Along the route, a rest stop is located 83.8 miles from her home and a police car is always within 0.5 mile of the rest stop. Along the route, less than 0.5 mile before the office, Karen' s car broke down. Which of the following values could be the distance, in miles, along the route between Karen' s car and the police car?

Indicate all such values.
While there is no evidence that Bigfoot is real, several well-known species were once thought to be________; the okapi, for instance, was known as the “African unicorn" until explorers obtained proof of its existence.
Hubbert's 1956 prediction that peak oil output in the United States would occur in or around 1970 was met with little (i)________ at the time, but daily output did peak in 1970,and since then Hubbert's calculations have been viewed as extraordinarily (ii)________.

共收录:

25000 +道题目

236本备考书籍

最新提问