抛物线长度计算公式

Are you just as happy as you were a child怎么翻译 英语翻译汉语的 请翻译 if i could have picked,i would have picked you I know you would not be naughty but I can have wishes can I not?麻烦帮翻译一下, 英语翻译 选词填空1-3题!有悬赏 英语过了6级,计算机过了4级,能做什么工作, 要是有英语6级证,计算机4级证,能找年薪多少的工作 英语4级和英语6级与计算机4级4级英语和6级差多少~计算机4级有用吗? 已知函数f(x)=(x2+ax-2a2+3a)ex(x∈R),其中a∈R.）当a不等于2/3时,求函数f(x)的单调区间与极值具体. 求帮忙计算矩阵最大特征值跟特征向量10.95390.6369426750.79411.02431.0130685850.7933359781.04865771810.6678688310.83261.07361.0620.8318083511.57041.497811.24691.60731.59061.245795441.2596044841.2014898470.8023106551 选择题括号2选什么 将a-2(2x-3y)括号前面的符号变成相反的符号,正确是（）,这是一道选择题,选项请看底下的问题补充,1.a+（4x+3y） 2.a+（4x+6y）3.a+2（2x-3y) 4.a+2(3y-2x) 一道高中数学函数填空题设函数f(x)=|2的x方-1|的定义域和值域都是[a,b]（b>a）,则a+b等于? 高中数学函数一道填空题已知函数f(x)=ax^3 +bx^2 +cx+d的函数图像在R上单调递减,且过（0,x)点,其中0 已知f(x)=asinx+b乘以3次根号下x+4(a,b€R),且f[lg(以2为底10的对数)]=5,则f[lg(lg2)]=? 在英语中,0.5该怎么读? 有没有现在可以帮我计算矩阵的特征值和特征向量的矩阵是：1 3 1/5 1/2 1/6 11/3 1 1/4 2 1/3 25 4 1 1 1/3 22 1/2 1 1 1/5 26 3 3 5 1 41 1/2 1/2 1/2 1/4 1 谁能帮忙计算矩阵的特征值和特征向量,我有两个矩阵. 英语翻译Too often," he observed,"people we genuinely like have no idea how we feel about them.Too often we think,I haven't said anything critical; why do I have to say something positive We forget that human beings need positive reinforcement-in It is often as adults that we first start to think more seriously about where we are going 怎么翻译这句话结构是如何的? 英语翻译Fears are something we all have.You need to face your fears and to get over them.However,it's easier said than done.Running away from your fears doesn’t make them leave It just makes them bigger than ever.We're never going to be complet 翻译这句 When I think of love as something new 必修3英语第四页的题答案 哥哥!~请问有没有英语必修3,4单词录音?~跪求广东人教版新课标英语必修3，4单词录音！~~~有的大大发到245979260@qq.com邮箱！~谢谢！~急需！~~要适合2010届高一的！！~ 选择题：（以下各题都有四个选项,其中只有一个选项是正确的,请把正确的选项的代号填在括号内） 1.二次函 要求“把选项前的字母填在题后的括号内”,那么是填在答卷还是问卷上? 英语填词(急需答案)1.We can also use the tense to talk about planned actions in the future.Then we usually add a time reference to make the meaning clear.For example,what are you ( )this weekend?2.Chicken is the general word for the bird and 几个英语填词!She is a （p ）sing physics when she was at university.That women teacher saved her students with her life .It's great (c )Wonderful (i ) is necessary to be an artist.Thank you for (s )our work They take turns to (f )their child 英语看图填词求答案.据下列所提供语言信息,在文中空格处填写一个适当的词（一空一词）.NameGrade/ SchoolGet upClassHomeworkExamGo to bedWorkdayLi Bing3/No.145:3082(hours)323:006Zhou Jie3/No.86:5070.5(hour)121:005Li Bi 下列这些英语填词题的答案?Be careful,or you will get i____.Some pop singers are f____ for only a short time.Are you o____ the game for the class party.Tomorrow is Teachers' Day.I will give my math teacher some beautiful f____.The busin 英语厉害的来-Argumentative Essay求写一篇 Argumentative EssayTopic:Students should have homework from prep to Year 9 字数：400-600 之间吧需要以argumentative essay 的形式来写:Opening paragraphBody paragraph 1Body paragraph 2Body