门哦

已知双曲线中心在原点,一焦点为(10,0),一条渐近线方程是4x-3y=0,求此双曲线的方程 求不等式ax平方-ax+1＞0对于一切实数x都成立的充分条件 求证关于X的一元二次不等式AX的平方减AX加1大于0对于一切实数X都成立的重要条件0大于A大于4 我想知道您赚到这么多百度分是为了做什么事? X/3.6+X/4.5=1.8怎么解把所有的过程都写出来，3Q 双曲线4x方—9y方＝9的渐近线方程为 经过点(4分之15,3)且一条渐近线为4X+3Y=0的双曲线方程是 求满足下列条件的双曲线的标准方程.经过点（15/4,3）,且一条渐近线方程为4X+3Y=0 Yesterday,we asked ten students what they did last weekend.请问句中what引导的是什么从句? The teacher asked me is that your book 改为宾语从句the teacher asked ____ _____ _____my book The teacher asked __ yesterdayA what is wrong with himB What was wrong with himC what wrong with him isD what wrong with him was "what did you do,Tom?"Lucy asked.(改为含有宾语从句的复合句)Lucy asked Tom ___ ___. （能用方程尽量用方程）在一昼夜中时针与分针重合过几次,分针和秒针重合过几次? 列方程解决问题与算术方法解决问题,在解题思路上有什么不同 Yesterday you said tomorrow寓意是什么?不要单纯翻译 我想知道你昨天晚上是怎么回去的?翻译成宾语从句 花yesterday today tomorrow我想问下yesterday today tomorrow这种花长得怎样?听说是非洲的,也有说是南海岛国的 设x³＋3x²-2xy－kx－4y可分解为一次因式与二次因式之积,求k的值 Kx^2-2xy+3y^2+3x-5y+2能分解为两个一次因式的积.求K x^3+3x²-2xy-kx-4y可分解为一次式与二次式之积,则k= 当k取什么值时,kx平方-2xy-y平方 3x-5y 2能分解为两个一次因式 当k= 时,kx^2-2xy-3y^2+3x-5y+2能分解成两个一次因式的积是? Did he go to the library yesterday?Can you tell me?合并成宾语从句 Could you tell me what you bought yesterday?是宾语从句么?如果不是,那是一个什么句? Did you watch TV at home yesterday evening?can you tell me?(改为宾语从句） would you tell me where you went yesterday.是哪种从句? Who discovered the element radium?(Can you tell me )改为宾语从句 英语中翻译疑问句,和他的用法.什么叫定语,宾语,从句,表语,谓语等反义疑问句和他的用法 英语翻译1please tell me how we can finish the work on timeplease tell us （）（）（）the work on time2 the twins hope that they can visit our factory one daythe twins （）（）（）our factory one day3 Can‘t you see that your son is c 分解因式：x²-2x-4y²-4y X²－Y²－2X－4Y－3分解因式 (x+78)x5=740方程怎么解.