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Magoosh One number, k , is selected at random from a set of 11 consecutive even integers. What is the probability that k = 10?(1) The average (arithmetic mean) of the set is zero.(2) The probability that k = 10 is the same as the probability that k = -10.
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The sequence such that for all integers . If is a positive integer, is the sum of the first terms of the sequence greater than ?

(1)

(2)

Magoosh In the rectangular coordinate system, line k is defined by the equation x - 2y + n = 0. What is the value of n?(1) The x-intercept of line k is 8.(2) The y-intercept of line k is -4.
Magoosh If k = 13.abc6 where a, b and c each represent a digit, what is the value of b?(1) The value k rounded to the nearest hundredth is 13.54(2) The value k rounded to the nearest thousandth is 13.539
应用题 If $5,000 invested for one year at p percent simple annual interest yields $500, what amount must be invested at k percent simple annual interest for one year to yield the same number of dollars?(1) k = 0.8p(2) k = 8
Magoosh If f(x) = 5 - 2x and f(3k) = f(k + 1), then f(k) =
OG12 If x is the product of the positive integers from 1 to 8, inclusive, and if i, k, m, and p are positive integers such that x =$${2}^{i}{3}^{k}{5}^{m}{7}^{p}$$, then i + k + m + p =
Magoosh If k is an integer, what is the smallest possible value of k such that 1040k is the square of an integer?
PREP07 Test 2 Circle C and line k lie in the xy-plane. If circle C is centered at the origin and has radius 1, does line k intersect circle C ?(1) The x-intercept of line k is greater than 1.(2) The slope of line k is $$-\frac{1}{10}$$.
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Is between and on the number line?

(1) is to the right of on the number line.

(2) is to the left of on the number line.
OG12 OG15 if $$\frac{(0.0015\times10^m)}{(0.03\times10^k)}={5}\times{10}^{7}$$,then m-k=
PREP07 Test 1 If m, k, x, and y are positive numbers, is mx + ky > kx + my ?(1) m > k(2) x > y
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The widths of all tiles of type are exactly the same, and the widths of all tiles of type are exactly the same. Is the width of 1 tile of type less than the width of 1 tile of type ?

(1) The total width of 2 tiles of type and 3 tiles of type is less than the total width of 5 tiles of type and 2 tiles of type .

(2) The total width of 3 tiles of type and 5 tiles of type is less than the total width of 4 tiles of type and 4 tiles of type .
Is k greater than t?(1)$$kt = 24$$(2)$${k}^{2} >{t}^{2}$$
Magoosh If k is an integer and $$k =\frac{462}{n}$$ , then which of the following could be the value of n?
OG12 If x, y, and k are positive numbers such that $$(\frac{x}{x+y})({10})+(\frac{y}{x+y})({20})=k$$ and if $$x<{y}$$ which of the following could be the value of k?
OG18-数学分册 In the xy-plane, lines k and $$\ell$$ intersect at the point (1,1) . Is the y-intercept of k greater than the y-intercept of $$\ell$$?(1) The slope of k is less than the slope of $$\ell$$.(2) The slope of $$\ell$$ is positive.
Magoosh When positive integer k is divided by 1869, the remainder is 102. What is the remainder when k is divided by 89?
OG18-数学分册 3, k, 2, 8, m, 3The arithmetic mean of the list of numbers above is 4. If k and m are integers and k$$\neq m$$, what is the median of the list?
191222 $$K=1+2+2^2+2^3+....+2^n$$，n=9, what is the value of K?