题目列表

How many whole numbers between 10 and 43 have a remainder of 5 when divided by 7?
Starting from rest, a certain car travels a distance of Q meters in t seconds, where $Q=4t^{2}$ and 0≤ Q ≤ 64. In how many seconds does the car travel 64 meters, starting from rest?

_____seconds
If the annual commercial energy usage for lighting is w units of energy, which of the following is closest to the annual commercial energy usage for refrigeration, in the same units of energy?
The ratio of the total annual residential energy usage to the total annual commercial energy usage is x to y. Which of the following represents the fraction of the total annual energy usage, both residential and commercial, that is for lighting?
The annual commercial energy usage for space cooling is approximately what percent less than the annual commercial energy usage for space heating?
How many three-digit positive integers are there such that the sum of the digits is 3?

In the figure above, OP = OQ and QS = 4RS. If △OPQ and △QRS have equal area, what are the coordinates of point R?
A certain type of material has a mass of 2.5 grams per cubic centimeter. A bar of this material in the shape of a rectangular solid has a mass of 800 grams. If the bar is 3 centimeters wide and is 3 times as long as it is high, approximately how many centimeters high is the bar?
In a certain town, the median daily noon temperature for a 7-day period was less than 60°F. In the town, which of the following could be the total number of days during the 7-day period on which the daily noon temperature was less than 60°F?

Indicate all such numbers.
Fungi are a basic component of every ecosystem, and their importance cannot be __________, but mycologists generally lack an understanding of which fungi are present in oceans and what roles they play.
Despite a reputation, once richly deserved, for ____________ in adopting new technologies, most big carmakers are pouring resources both into battery power and other alternative forms of propulsion, and into automated driving.
Which of the following is an assumption on which the argument depends?
The author mentions "satellites of giant planets" in order to
The author implies that the fact that the Moon and Earth "have different compositions"
The highlighted portion(even at top speed - an hour) of the passage serves primarily to
Which statement best describes the function of the highlighted sentence (Contemporary-two hours)?

Quantity A

The area of the triangular region

Quantity B

9

The figure shows two concentric circles, each with center O. The larger circle has radius 3r, and the smaller circle has radius 2r.

Quantity A

The area of the smaller circular region

Quantity B

The area of the shaded region

Two shaded square regions, including their edges, are shown above in the xy -plane and are labeled I and II, respectively. P is the set of all possible slopes of line segments ST, where point S is in region I and point T is in region II.

Quantity A

The greatest member of set P

Quantity B

$\frac{3}{2}$

The terms $a_n$ of a certain sequence are defined by $a_n=\frac{3}{n(n+1)}$ for all integers n ≥ 1.

Quantity A

The sum of the first 100,000 terms of the sequence

3

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