展开全部

题目列表

题目内容
When an even integer k is rounded to the nearest 10, the result is 530. What is the greatest possible value of k?
M and N are both positive integers

3M+4N=13

Quantity A

N

Quantity B

2


Quantity A

The remainder when $$7^{22}$$ is divided by 5

Quantity B

4


$$-3 \lt x \lt 0$$

Quantity A

$$\frac{1}{x}$$

Quantity B

$$-3$$


Quantity A

$$(2m+1)^{2}$$

Quantity B

$$(2(m+1))^{2}$$


x is a negative integer

Quantity A

$$(2^x)^2$$

Quantity B

$$(x^2)^x$$


$$x \gt 0$$

$$y \gt 0$$

Quantity A

($$\sqrt{x}$$)($$\sqrt{y}$$)

Quantity B

$$\sqrt{x+y}$$


$$p$$, $$s$$, and $$t$$ are probabilities and $$0 \lt p \lt s \lt t$$.

Quantity A

$$p+st$$

Quantity B

$$s(p+t)$$


How many integers from 1 to 2,000, inclusive, are both the square of an integer and the cube of an integer?
In the xy-plane, points (-4, 0) and point (4, 0) lie on a circle C.

Quantity A

The radius of circle C

Quantity B

4



Quantity A

x

Quantity B

y


Sequence $$S$$: $$a_{1}, a_{2}, a_{3},......,a_{n}$$........

In sequence $$S$$, $$a_{1}$$ is an integer and $$a_{n}=2a_{n-1}$$ for all integers n greater than 1. If no term of sequence S is a multiple of 100, which of the following could be the value of $$a_{1}$$?

Indicate all such values.


The figure above shows a normal distribution with mean $$m$$ and standard deviation $$d$$, including approximate percents of the distribution corresponding to the six regions shown.

A survey of 5,500 book readers found that the number of books read per year was approximately normally distributed with mean 19.0 and standard deviation 2.0. Which of the following is the best description of the numbers of books read per year by the 880 book readers who read the most books?
Set A consists of all of the positive five-digit even integers that can each be formed by using all of the digits 1, 2, 3, 4, and 5. What is the number of integers in set A?
$$0 \lt a \lt b \lt 1$$

$$c$$ and $$d$$ are positive integers such that $$c \lt d$$

Quantity A

$$a^{c-d}$$

Quantity B

$$b^{d-c}$$




In the figure, point A is the center of the circle and points B and D lies on the circle. The length of DC is one-half of the length of AD.

Quantity A

The area of sector ABD

Quantity B

The area of triangle ABC




In the sum above, if X and Y each denote one of the digits from 0 to 9, inclusive, then X=?
In each round of a certain game, either 1, 3, 7, or 10 points are awarded to the winner of the round. Which of the following CANNOT be the total number of points awarded to the winner of three rounds?
A certain truck takes $$10$$ trips to transport $$2,000$$ cartons from warehouse A to warehouse B. For each trip except the $$10^{th}$$ trip, the truck is loaded to its full carrying capacity of $$x$$ cartons. On the $$10^{th}$$ trip, the truck is loaded with the remaining cartons.

Quantity A

$$x$$

Quantity B

$$210$$


The units digit of $$7^{34}$$ is x, and the units digit of $$6^{34}$$ is y. What is the value of the product xy?

共收录:

25000 +道题目

236本备考书籍

最新提问