GRE数学题1x and y are number on the number line.比较x与y大小求翻译与解法

GRE数学题1x and y are number on the number line.比较x与y大小求翻译与解法 几道简单的GRE数学题1 two successive discounts of 20 percent and 40 percent are equivalent to a single discount of x percent. x 522 the number of ¼-inch lengths in a 4-inch length matlab利用递归求解差分方程function y = recur(a,b,n,x,x0,y0);%% y = recur(a,b,n,x,x0,y0)% solves for y[n] from:% y[n] + a1*y[n-1] + a2*y[n-2]...+ an*y[n-N]% = b0*x[n] + b1*x[n-1] + ...+ bm*x[n-M] %% a,b,n,x,x0 and y0 are vectors% a = [a1 a2 新gre pp2的一道数学题~the number of intergers between 100 and 500 that are multiples of 11. 三道GRE数学英语1） x and y each represent single digits in the decimal 4.3xy8.When the decimal is rounded to the nearest hundredth,the result is 4.36. A x>5 B X<5 C x=5 D不能确定 希望能翻译此题 2） P,Q,and R are distinct 数学题(二阶导数)：y=1/x,求y的n次方. 一道GMAT数学题求解.If y≠3 and 3x/y is a prime integer greater than 2,which of the following must be true?1.x=y2.y=13.x and y are prime integers.A NoneB 1 onlyC 2 onlyD 3 onlyE 1 and 3答案给出的是A，我觉得选B，请问条件1有什 一道gre数学题n is an even integer and a multiple of 3 .The remainder when n is divided by 12 和 8 比较 一道数学题：x^-n=2,y^-n=3；(x^2y^2)^-n=? 提问几道GRE数学题P48A number between 5 and 10与A number between 8 and 14比大小 答案是不确定The number of different positive divisors of 12与the number of different positive divisors of 50比大小 P49x,y,z are positive integers,and 急:提问几道GRE数学题1.A/x + A/y=1.In this formula,x and yrepresent the time needed for each of two workers to complete the job alone; Arepresents the time it takes for both x and y to complete the job workingtogether.So each fraction represen A-level曲线的切线数学题The curve C has equation y=x2(x-6)+4/x p(1,-1) Q(2,-14)Show that the tangents to C at p and Q are parallel 一道简单的GRE数学题题干：1＜n＜5,n is an integer,比较大小A：the sum of the first n odd integer that are greater then zeroB：n^2-1(n的平方减一)答案是A大于B 初中数学题；；已知X=1/8,Y=-8,N为自然数,求X的2n+1次方×Y的2n+2次方 的值? 求教一道GRE数学题x is an integer greater than 1,比较3^(x+1)和4^x哪个大? 求教一道统计学数学题.Suppose X and Y are random variables such that the atandard deviation of X is 2 and the standard deviation of Y is 5.Consider a random variable Z defined as Z=3X-2Y+5.问 a:Assume that X and Y are independtly distribute 微积分数学题,求体积find the volume of the solid whose base is the region bounded by y=x^4,y=1,and the y-axis and whose cross-sections perpendicular to the x-axis are semicircles.volume=? 微积分数学题,求体积.find the volume of the solid whose base is the region bounded by y=x^4,y=1,and the y-axis and whose cross-sections perpendicular to the y-axis are equilateral triangles.volume=?