展开全部

题目列表

题目内容
x and y are integers, and 2x+3y=5

Quantity A

x+y

Quantity B

0




n > 1

Quantity A

The product of ($$\sqrt{n+1}-\sqrt{n-1}$$) and ($$\sqrt{n+1}+\sqrt{n-1}$$)

Quantity B

2






If 20 percent of the amount budgeted for vacation had instead been added to the amount budgeted for entertainment, which of the following is closest to the percent by which the amount budgeted for entertainment would have increased?
Line k lies in the xy-plane. The x-intercept and the y-intercept of line k are a and b, respectively, where a≠0 and b≠0.

Which of the following statements individually provide(s) sufficient additional information to conclude that the slope of line k is positive?

Indicate all such statements.

Early natural history collections in eighteenth-century Europe were ____________: a bear's tooth might sit incongruously alongside a piece of silverwork or, in the menagerie, a South American capybara might be housed next to an African baboon.
The argument is vulnerable to criticism on the ground that it
Last week a painter started a job on Tuesday, completing 44 percent of the job that day, and on Wednesday completed 25 percent of the job that remained.

Quantity A

The percent of the job that was not completed by the end of the day last Wednesday

Quantity B

42%




A catalog company had a special sale that offered a discount of $25 off each $75 in merchandise ordered. A shipping charge of 10 percent was calculated before the discount was taken, and sales tax of 5 percent was calculated after the discount was taken. If Jason ordered $300 in merchandise and no tax was calculated on shipping charges, what was the total charge for Jason's order?
The primary purpose of the passage is to
A restaurant has a total of 18 tables. Each of the tables is occupied by either 1 or 2 people. The number of people occupying the tables is 26.

Quantity A

The number of tables occupied by only 1 person

Quantity B

9


$$a ≠ -2b$$

Quantity A

$$\frac{(a+b)^{2}-b^{2}}{a+2b}$$

Quantity B

$$a$$






In a set of cards, each card is colored one of three colors and each card is labeled with one letter as indicated in the table. If one card is to be selected at random from the set, what is the probability that the selected card will be blue or labeled with the letter W?
The primary purpose of the passage is to
$$T_1, T_2, T_3, ........., T_k, .........$$

The sequence shown is defined by $$T_1=2$$ and $$T_{k+1}=\frac{1}{3}T_k$$ for each positive integer k.

Quantity A

$$T_5$$

Quantity B

$$(3^{11}) T_{16}$$


The set S consists of all of the different ordered pairs (x, y) for which x is a positive integer less than 50 and $$y=\frac{1}{2}x+10$$.

Quantity A

The number of ordered pairs in S for which y is not an integer

Quantity B

25


If n is a positive integer, which of the following CANNOT be the units digit of $$2^{n}-1$$?
For a positive integer n, the remainder is 3 when it is divided by 7, and the remainder is R when it is divided by 4.

Quantity A

R

Quantity B

2


The first term of an infinite sequence is 4, and each term after the first term is 7 greater than the preceding term. What is the 64th term of the sequence?


△PQR is an isosceles triangle.

Quantity A

The measure of angle P

Quantity B

The measure of angle R


共收录:

25000 +道题目

202本备考书籍

最新提问