大作业:提供一个创业故事

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问二道英语题 谁来帮帮我?Which do you like ▁▁▁ ,chicken,beef or pork?A.more B.better C.best D.the better-May I do my homework after I watch TV?-No,you ▁▁▁,you▁▁▁do your homework now.A.may not...must B.may 1.where would wo go if wo could go on a vacation together?- i hope to visit Mexico()A.some time B.some days Csomeday D.in a day2.Shall we go to visit the Museum of Natural History first?-()Ayes,we do B.yes!Let's go C.no,you shalln't Dit's a pity这 1、(D)he works hard,I don't mind when he finishes the experienment.A As soon as B As well as C So far as D So long as2、We( D)finish the job ,now that we have got so far with it.A may B might well C could D may as well注:正确答案已给 用牛顿迭代法求下列方程在1.5附近的根:2x3-4x2+3x-6=0.#include "math.h"main(){float x,x0,f,f1; x=1.5;do{x0=x;f=2*x0*x0*x0-4*x0*x0+3*x0-6;f1=6*x0*x0-8*x0+3;x=x0-f/f1; }while(fabs(x-x0)>=1e-5);printf ("%f\n",x); }想请教下这一步: 方程求根牛顿迭代法 求方程 f(x)=x3+x2-3x-3=0在1.5附近的根 The girl was seen____a picture at the party.A.to draw B.drew C.drawn D.draw请问seen有什么用法,上面一题选什么,为什么?We spend as much time as we can ____-English.speng+doing但can后加原形,不是矛盾吗?应该填ING形式还是 已知p是直线l:3x-4y+11=0上的动点,PA,PB是圆x^2+y^2-2x-2y+1=0的俩条切线 ,C是圆心,那么四边形PACB外接圆面积的最小值是? 已知P是直线3x+4y+8=0上的动点,PA,PB是圆想x^2+y^2-2x-2y+1=0的两条切线,A,B是切点,C是圆心,求四边PACB面积的最小值 1.You should put the books_____they were before leaving the reading-room.A.where B.in which C.that D.which2.Mary sings so well that I can't but_____her great talent for music.A.noticeB.to notice C.noticed D.noticing 英语翻译The expression felt out of place on a mouth more often given to smilling.词都认得就是看不懂. These are yellow purses.(改为单数句)I would like some coffee to drink.(改为一般疑问句)为什么第二个是Would you like some coffe to drink 而不是Would you like any coffe to drink 疑问句不是应该用any吗? 1).那件事发生在我到达的那天That __ on the day __ I __ __ .2).那就是他们的出生日That is the day __ the __ __.get to 不加地点么?just arrived 好像是对的吧?还有更合适的吗? 已知p是直线3x+4y+8=0上的动点,PA,PB是园xx+yy-2x-2y+1=0的两条切线,A,B是切点,C是圆心,那么四边形PACB的面积的最小值为?(请给出解释,) 1.London isn't cleaner than it was 10 years ago,right?要表达LONDON比之前干净了,该怎么答呢?是说YES IT IS ,还是?.2.I am the only boy in the class,______?(反意疑问句?) I___(buy) the bike two weeks ago .I ___(have) the bike for two weeks _____ you______(phone)me this morning How many times____you_____(phone)me these days 英语翻译1.出于同情,布莱克太太(Mrs.black)给了这位可怜的老人一些钱.(out of sympathy)2.英语教师指着一个苹果用英语对全班同学说:“这是一个苹果.”(point to)3.当我们互相帮助时,我们的 2x/x^2-4-1/x-2 (X+1)(X+2)=2X+4 x-2.4=1/2x+2.4 4/(x+1)-5/(2x+2)=1 方程2x+y=7在正整数范围内的解为 1.一次方程3a+b=9在正整数范围内的解的个数是?2.由2x+5y=10得y=? 解关于x的方程abx-(a-b)x-ab=0写出步骤 已知a>2,b>2,试判断关于x的方程x^2-(a+b)x+ab=0与x^2-abx+(a+b)=0有没有公共解,请说明理由 二项式定理、函数恒成立的问题 如图,只需第二问的解析.本人用参数分离和均值不等式做出答案是a≥4/9.不知对错与否. 因式分解法解关于x的方程abx²-(a²+b²)x+ab=0(ab≠0) 函数恒成立证明 第3问解题思路过程1,答第3问即可第3问求导有未知数a,如何处理? x -4 -3 -2 -1 0 1 2 3 4 2x+5 2{x+5}2x+5和2[x+5]在下面 高中数学 恒成立问题的解题方法. 解题思路已知函数g(x)=-x^2-3,f(x)是二此函数,且f(x)+g(x)为奇函数,当x∈〔-1,2〕时,f(x)的最小值为1,求f(x)的表达式. 求 函数 y=x+1/x 的单调区间.附思路 抱歉阿。我的 悬赏没有了... 解方程:abx^2-(a^2-b^2)x-ab=0