正态分布对应置信度

高中数学大题求函数最值一类的大题是画图还是求单调性来确定规范啊 我是画图写的,算不算错啊? I would like a bitch like you.不用去翻译器翻译 请英语高人翻译 Cecillia,still like 谁有战国七雄时期的故事 “战国七雄”的人物有哪些也就是楚秦魏赵齐燕韩有哪些人物 战国七雄有哪些人物 角A角B的两边分别平行,角A比角B的3倍少20°,则角B为? 四棱锥S-ABCD中,AB平行CD,BC垂直CD,侧面SAB为等边三角形,AB =BC=2,CD=SD=1 (1）证明：SD垂直平面SAB 已知角A的两边与角B两边分别平行,且角A比角B的3倍少20°,求角B的度数 四棱锥S-ABCD中,AB//CD,BC⊥于CD,侧面SAB为等边三角形,AB=BC=2,CD=SD=1 （1）证明SD⊥SAB；（2）求AB与平面SBC所成角的大小 已知∠A的两边与∠B的两边分别平行,且∠A比∠B的3倍少20°,那么∠B=（ ）其他人别回答, 被减数、减数与差三个数的和是8.8,被减数是（ ).如果其中的一个差是1.9,减数是（ ） Tom _______ (hide) his shoes behind the tree. So they _______________(not find) easily. 同义句转换 He hunts when I hide.He ___ ____ ____ me when I hide. 同义句填空：He hunts when I hide.He _____ ______ for me when I hide. 列举战国七雄时期的各国知名的女子春秋时期的就不要,战国时期的介绍的越多越好.最好是七个国家的都最少能说一个 战国七雄的七个各国的王最有名的!--------------- 有a、b、c三个数,a、b两数的和是104,b、c两数的和是80,a、c两数的和是72,a、b、c三个数的和是多少? The boy ____(hide) himself behind the door,so i couldn't see him如题,要原因. let's hide___behind the door so that jack can't find us .填什么? 对于有烟花爆竹经营许可证但买卖非法烟花爆竹该怎么处理 they were seen to come out of the housewere seen 四棱锥S-ABCD中,AB平行CD,BC垂直CD,侧面SAB为等边三角形,AB =BC=2,CD=SD=1 (1）证明：SD垂直平面SAB 如图,棱柱S-ABCD中,AB平行CD,BC垂直CD,侧面SAB为等边三角形,AB=BC=2,CD=SD=1.证明：1.SD垂直平面SAB2.求AB与平面SBC所成得角的大小 Tom _______ (hide) his shoes behind the tree.So they _________(not find) eaTom _______ (hide) his shoes behind the tree.So they _________(not find) easily. 为什么要维护平等团结的民族关系? Nor did he let the disease stop him from living the kind of life he has always dreamt about（疾病没有使他放弃过上梦想中的生活这句话是部分倒转,我懂的,可是为什么NOR 不用NOT .放在句首 hawking don it let the disease stop him from living the kind of life he had always dreamed of谁能翻译 Nor did he let the disease stop him from living the kind of life he had always dreamt of 啥意思 英语翻译这句话按正常语序该怎么说,nor应该放在哪里Nor did he let the disease stop him from living the kind of life he has always dreamt about Nor did he let the disease stop him from living the kind of这句话按正常语序该怎么说 nor放在哪里Nor did he let the disease stop him from living the kind of life he has always dreamt about 如图,四棱锥P-ABCD的底面ABCD是矩形,AB=2,BC=√2,且侧面PAB是正三角形,平面PAB⊥平面ABCD.（1）求证：PD⊥AC（2）在棱PA上是否存在一点E,使得二面角E-BD-A的大小为45°.若存在,试求AE/AP的值,若不存在