展开全部

题目列表

题目内容
In a certain sequence of numbers, the $$1^{st}$$ term is equal to 1 and each term after the $$1^{st}$$ term is equal to 12 times the square of the preceding term. If the $$5^{st}$$ term of the sequence is equal to $$12^{n}$$, what is the value of n?
If a two-digit number that has x as the tens digit and y as the units digit is multiplied by 5, then the value of the product is
If k, n and p are consecutive positive even integers and k < n < p, which of the following must be an integer?
$$n$$ is an integer such that $$111 \leq n \leq 114$$.

Quantity A

The remainder when $$n$$ is divided by $$31$$

Quantity B

$$16$$


R=$$3^{7}$$ $$5^{11}$$ $$7^{15}$$

W=$$2^{3}$$ $$5^{15}$$ $$7^{19}$$

What is the units digit of R-W?
What's the remainder when $$3^{73}$$ is divided by 5?
$$|2x+7| < 13$$

Quantity A

$$x^{2}$$

Quantity B

9


What percent of $$\frac{1}{2}$$ is $$\frac{2}{3}$$?
A tank initially contains g gallons of water. Beginning at 1 o'clock in the afternoon, water flows into the top of the tank at a constant rate of x gallons per minute and out of the bottom of the tank at a constant rate of y gallons per minute. If x < y, in how many minutes after 1 o'clock in the afternoon is the volume of water in the tank equal to $$\frac{1}{2}$$g, in terms of g, x, and y ?
$$x \neq 0$$

$$y \neq 0$$

$$x+y \neq 0$$

Quantity A

$$x^{-3}$$+$$y^{-3}$$

Quantity B

$$(x+y)^{-3}$$


If $$3^{x}$$+$$3^{x}$$+$$3^{x}$$=$$9^{x-2}$$, what is the value of x?
The function f is defined by f(x) = $$2^{-x^{2}}$$ for all integers x. Which of the following could be the value of f(x)?

Indicate all such values.
Which of the following inequalities is equivalent to 3 ≤ x ≤ 4?
An apple falls straight to the ground from a tree branch 8 meters above the ground. The apple`s height above the ground, $$t$$ seconds after it starts falling, is $$H$$ meters, where $$H=8-4.9t^{2}$$ and $$t$$ ≥ 0. How many seconds after the apple starts falling does it hit the ground?

Give your answer to the nearest 0.1 second.

_____seconds
The operation  is defined by r s=12 $$r^{-1}$$(s+3) for all positive numbers r and s. If x 3=18, what is the value of x?
In the xy-plane, a line that has a slope of -3 passes through the points (3, k) and (-2, m).

Quantity A

k-m

Quantity B

-15


Which of the following could be a portion of the graph of $$y=(x+2)^{2}-5$$ in the xy-plane?


The three squares share a common vertex, as shown.

Quantity A

$$a+b$$

Quantity B

90






Quantity A

The length of line segment AB

Quantity B

The length of line segment DC




ABCD is a square.

Quantity A

x+90

Quantity B

u+w


共收录:

25000 +道题目

211本备考书籍

最新提问