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题目内容

Quantity A

f

Quantity B

g


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Given points A(2, 3) and B(x, y) in the rectangular coordinate system above, if y = 4.2, then x = GRE、gre题库、gre模考、gre考满分
In rectangle ABCD above, which of the following is the area of the triangle ABD ? GRE、gre题库、gre模考、gre考满分
The circle above has a center O. ∠AOB=∠BOC

Quantity A

The area of triangle AOB

Quantity B

The area of the shaded region


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The circumference of the circle with center O is 15π. LMNO is a parallelogram and c = 108. What is the value of d ? GRE、gre题库、gre模考、gre考满分
15 marbles are placed in a bowl; some are red, and some are blue. If the number of red marbles is 1 more than the number of blue marbles, what is the probability that a marble taken from the bowl is blue?
If △(x) = 10x – 1, what is △(5) – △(3) ?

Quantity A

The largest odd factor of 78

Quantity B

The largest prime factor of 78


At a recent dog show, there were 5 finalists. One of the finalists was awarded "Best in Show" and another finalist was awarded "Honorable Mention." In how many ways could the two awards be given out?

_____
Company X spends $40,000 per year on advertising for product A and $30,000 per year on advertising for product B. The company spends $15,000 on advertisements that advertise both product A and B as a system. The company spends $90,000 total on advertising for all of its products.

Quantity A

The total amount the company spends advertising products other than products A and B.

Quantity B

$20,000


Lee randomly selects a 2-digit prime number less than 50. What is the probability that the tens digit is greater than the units digit?
An elected official wants to take five members of his staff to an undisclosed secure location. What is the minimum number of staff members the elected official must have in order to have at least 20 different groups from which to choose?
For all real numbers x and y, if x # y = x(x – y), then x # (x # y) =
A jar contains 12 marbles. Each is either yellow or green and there are twice as many yellow marbles as green marbles. If two marbles are to be selected from the jar at random, what is the probability that exactly one of each color is selected?
A set of 10 points lie in a plane such that no three points are collinear.

Quantity A

The number of distinct triangles that can be created from the set

Quantity B

The number of distinct quadrilaterals that can be created from the set


$$\frac{0.05}{0.6}=\frac{x}{0.18}$$

Quantity A

x

Quantity B

0.015


$$x\neq0$$

Quantity A

$$\frac{x}{10}$$

Quantity B

$$\frac{x}{5}\over{2}$$


The test scores for a class have a normal distribution, a mean of 50, and a standard deviation of 4.

Quantity A

Percentage of scores at or above 58

Quantity B

Percentage of scores at or below 42




The line$$ y =-\frac{5}{6}x+ 1$$ is graphed on the rectangular coordinate axes.

Quantity A

OR

Quantity B

OP


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At a dog show, there are 20 judges and 10 dogs in the final round.

Quantity A

The number of distinct pairs of judges

Quantity B

The number of possible rankings of dogs from first to third place


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