物理随机变量X的密度函数为f(x)={3/2x^2,-1<x<10,其他试求以下随机变量Y的密度函数

求 一篇sense and sensibility的读后感,大概1000字左右 动词性物主代词有哪些 i'm sorry.we haven't got the tickets __for__ the concert.为什么不用of而用for 说,say英语怎么读, 逗号的书写格式 That is not very ____(many/much)前提是体重增加半磅不算很多,说明理由,（pound是可数名词） Tere is not much industry in that part of country.中为什么要用much?industry 不是可数的么? 逗号先生怎么样 SCALE 3/32"=1'是什么意思?这是张A2尺寸的美规建筑图纸 建筑图纸请分别解释一下图中每行字的意思 It's a family of three children,all of whom are studying English,这里谓语动词为什么是are.不是isall of whom 也可以是 some of whom see的三单是sees吗? He can ----- pictures,中间填see还是sees 选择 I can't __her. A,look B,see C,sees就是要在B和C中选择啊啊啊啊啊啊啊啊啊啊！！！ 否定句中see是原形吗?还是用sees as everyone sees ,see为什么要加S这句话是什意思？ 帮我找找sense and sensibility 英文介绍,thanks!最好几百字的, season怎么读 seasons读音用字各种方式表达出怎么读就行!急 Who was the first________(reach)?为什么用to reach?不用reaching? The First Question? 听,listen怎么读, as if的用法和相关例句? seasons怎么读 season怎样读 I have five _____. A.pen B.pencil C.pens D.a pencilA和D肯定不是,B和C选哪个,为什么,英文小白啊 我没有铅笔.I have got a pen.I have got any pens.哪个说法对? season的单词subject的单词 S06E02,S指season 第六季,E指哪个英文单词? No,I can't see any elephants.这句话的问句 英语 ;see 中文翻译 for the life of me 是一个英语中的固定短语,希望知道的朋友回答下.