展开全部

题目列表

题目内容
What percent of the non-negative integers less than 2000 is perfect square?

Give your answer as a percent.
Quantity A:The number of integers that are not only even but also a square of an integer (from 1 to 100, inclusive)

Quantity B:The number of integers that are not only odd but also a square of an integer (from 1 to 100, inclusive)
How many 3-digit integers whose units digit is 2 are perfect square number?
If r and t are each positive integers less than 10, how many different ordered pairs (r, t) exist such that 7r+7t is a square of an integer?
$$k^{2}$$=$$\frac{1}{2}$$,where k is a positive number.

Quantity A

k

Quantity B

$$\frac{1}{4}$$


Which of the following value is closest to $$\sqrt{79}$$?
x >$$\sqrt{5}$$

Quantity A:3x

Quantity B:$$\sqrt{45}$$
$$\sqrt{300}$$=k$$\sqrt{m}$$, where k and m are positive integers. What is the greatest possible value of (m+k)?
0 < $$x^{7}$$ < 1

Quantity A

$$\sqrt{x}$$

Quantity B

x



In the hexagon,x=115°
Quantity A: x
Quantity B: y
In a pentagon, the measure of one interior angle is 84°, while the measure of the rest four interior angles are the same. What is the measure of each of the rest four interior angles?

In the pentagon above,what is the value of x?
In the figure shown above, a regular octagon is inscribed in a square.

Quantity A

The ratio of AE to AF

Quantity B

The ratio of AB to AD


A regular hexagon is inscribed in a circle. If the diameter of the circle is d, what will the perimeter of the hexagon be?
Pentagon A and B are similar pentagons. Each side of pentagon B is half of the corresponding side of pentagon A

Quantity A

$$\frac{1}{3}$$ times the area of pentagon A

Quantity B

Area of pentagon B



Quantity A

r

Quantity B

200


In a triangle Δ ABC,D is a point on AC,if BD is the height of Δ ABC,then which angle could be greater than 90°?

According to the figure above,which of the following must be true?

Indicate all such items.
In pentagon ABCDE, points M, N, P ,Q, and R are the midpoints of sides AB, BC, CD, DE, and EA, respectively.

Quantity A

The perimeter of pentagon ABCDE

Quantity B

The perimeter of pentagon MNPOR



What is the range of x in the figure?

共收录:

25000 +道题目

236本备考书籍

最新提问