为什么不经直交作业

英文翻译: 英语翻译翻译 急… 那时他在努力算出这道数学题.翻译英语 分解因式x(x-y)(a-b)-y(y-x)(b-a)化简计算：已知2x-y=0.5,xy=2,求2x^4y^3-x^3y^4的值 1. 2.观察数字摆放规律,求a,b,c的值 3. 1.在四边形ABCD中,∠A的∠B,AC=BD,求证AB‖CD 注:此四边形为梯形2.已知,在四边形ABCD中,AC平分∠BAD,∠CBE=∠D,求证∠B=∠D.3.在四边形ABCD中,∠ADC=∠ABC=90°,AD=CD,DP⊥AB,若AB=10,AP=2,求BC的长!第一题要详细 一道sat数学题a measuring cup contains 1/5 of a cup of orange juice .it is then filled to the 1 cup mark with a mixture that contains equal amounts of orange,grapefruit,and pinapple juices.what fraction of the final mixture is orange juice 答案 1.Point A has coordinates (-2,1),point B has coordinates (3,3).If line segment AN is rotated 90° clockwise about point B,what are the coordinates of the image of point answer(1,8)2.What is the maximum number of peices that can be cut from a paper ci if k is positive one digit integer ,which of the following is not a possive value of 1-k?A -9 b -5c -2D -1E 0 if 55 percent of a group of people have brown hair and 80 percent of the same group do not have red hair,what fraction of those who do not have brown hair have red hair?A.四分之一B.十一分之四C.九分之四D.九分之五E.五分之四 In the integer 3589 the digits are all different and increase from left to right.How many integers between 4000 and 5000 have digits that are all different and that increase from left to right?这是一道填空题,不理解题目意思,求地道翻 If a (n) = a(n-1) / a(n-1)-1,a (1)=8,which of the following is a (501)?A 8 B 7/8 C 1/8 D 8/7 E 4 SAT数学题求讲解Note:Figure not drawn to scaleIn the figure above,if the legs of triangle ABC are parallel to the axes,which of the following could be the lengths of the sides of triangle ABC?A 2 ,5 and 根号29B 2 ,5 and 7C 3 ,3 and 3根号2D 3 SAT数学题求解释In the xy-coordinate plane, the graph of x = y*y -4 intersects line l at (0, p) and (5, t). What is the greatest possible value of the slope of l?（求大神救救我TAT,这题是肿么回事.） 一道sat数学题求解释如果（X+Y ）^2 = X^2+Y^2 那么下面结论那个是正确的.1.x=02.（x-y）^2=x^2+Y^23 XY=02和3 但是我觉得1也对啊.但不是一直对.和没解释一样 . .SAT的数学题In the 30-day month of April,for every three days it rained ,there were two days it did not rain.The number if days in April on which ie rained was how much great than the number of days on which it did not rain? sat数学题The sum of four consecutive odd integers w,x,y,and z is 24.What is the median of the set{ w,x,y,z,24}? 90n+23p=4523.If n and p are positive integers in the equation above,what is one possible value of n+p?怎么算?是51，118和185 sat 题目不难吧就是没怎么看透题干On a square gameboard this is divided into n rows of n squares each,k of these squares lie along the boundary of the gameboard.Which of the following is a possible value of A.10 B.25 C.34 D.42 E.52 2010年一月SAT数学题题是这样的：y=-2(x-2)^2+3In the xy-plane,line L passes through the point (4,-5) and the vertex of the parabola with the equation above.What is the slope of line 求助2010年一月sat数学题急、急啊, 请问谁知道2010年一月sat数学题谁知道 请问大家下2010年一月sat数学题在线等了,十分谢谢大伙7K 问大家一下2010年一月sat数学题谁知道 十分感谢你们了9P 09年1月sat section2 18题（填空数学.）看了半天不懂.A点的那个坐标能出来但是求斜率的第二个点怎么算?就是这个... If w = x + y + z,what is the average (arithmetic mean) of w,x,y,and z in terms of (A) w/2 (B) w/3 (C) w/4 (D) w/6 (E) w/8 A ,B.很遗憾,本题共有98人作答,正确率54.00%,包含知识点【方程式】在Satonline上面的一道SAT数学题目, 数学真题一道Prime numbers k and n are each greater than 2,and they differ by 4.If there is no prime number between k and n,what is the least possible value of k+n? 求sat 1205真题所有答案,section2是数学,section3第一题是because the United States开头的、 一道sat数学的问题The three-dimensional figure above has two parallel bases and 18 edges. Line segments are to be drawn connecting vertex V with each of the other 11 vertices in the figure. How many of these segments will not lie on an edge of sat数学题一道求高手 sat的一道数学题Grand mixture里的一道题,最后一句话说：what is the area , to the nearest square inch ,of the square.答案我算出来是约为23.31,书上给的答案是23.请问我的答案正确吗?what is the area , to the nearest 问几道sat数学题