名校
1 . 同种规格的产品,甲组生产占40%,优品率为10%;乙组生产占60%,优品率为20%,将两组生产的产品混合,从混合产品中任取1件.则取到这件产品是优品的概率为______ ;若取出一件产品是优品的条件下,是甲组生产的产品的概率为______ .
您最近一年使用:0次
昨日更新
|
597次组卷
|
2卷引用:湖北省十堰市东风高级中学2023-2024学年高二下学期6月阶段性考试数学试题
2 . 用平行于棱锥底面的平面去截棱锥,把底面和截面之间的那部分多面体叫做棱台.在正三棱台
中,侧棱
,则侧棱
与底面ABC所成角的正弦值为_____________ ,该三棱台的体积为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/944f00d2d962252c286827fd47b4b978.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
您最近一年使用:0次
名校
解题方法
3 . 设
,
,
,若满足条件的
与
存在且唯一,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
_______ , ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8640aafe54018ba013295b68e2946a7a.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e28a96ee1e62b7fbc1fb0257ad0deeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd61d59ee2dc6cc43b25b7ee39ca58d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/243288f8315e8ea94bda2ec3fec6a984.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8640aafe54018ba013295b68e2946a7a.png)
您最近一年使用:0次
4 . 设
为平面上两点,定义
、已知点P为抛物线
上一动点,点
的最小值为2,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
_________ ;若斜率为
的直线l过点Q,点M是直线l上一动点,则
的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a1467ecf286e3cadaf5aa006606f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/093c6d5bcaa69cea79b24688f5d1bd97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ea1be9b9b6bb12afa7e1ce703d1603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50061a63fdbd8394471c07f333d9fec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/314837d3a10726c5f83528f791d20020.png)
您最近一年使用:0次
2024-06-04更新
|
871次组卷
|
4卷引用:湖北省武汉市汉铁高级中学2024届高考数学考前临门一脚试卷
湖北省武汉市汉铁高级中学2024届高考数学考前临门一脚试卷山东省枣庄市2024届高三三调数学试题山东省青岛市2024届高三下学期第二次适应性检测数学试题(已下线)山东省济南市2024届高三下学期5月适应性考试(三模)数学试题
名校
5 . 如图,某商场内有一家半圆形时装店,其平面图如图所示,O是圆心,直径MN为24米,P是弧
的中点.一个时装塑料模特A在OP上,
.计划在弧
上设置一个收银台B,记
,其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7223bf3fdadd6f44abce82899bc1ec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913d94c18975459c5eb591afce8cc705.png)
_________ (用
表示):
(2)若
越大,该店店长在收银台B处的视线范围越大,则当店长在收银台B处的视线范围最大时,AB的长度为________ 米.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ae728c7be0f0cf78711f3fa5ccccf30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea7b628bd4ac303c86e30508eb81ff60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa33d0f23b18d580b8b2afb0dfd0c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e595083e5fd6282c93a636c66680ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7223bf3fdadd6f44abce82899bc1ec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913d94c18975459c5eb591afce8cc705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2bc29145f6e7557711c34b443bd5e84.png)
您最近一年使用:0次
2024-04-16更新
|
334次组卷
|
2卷引用:湖北省荆州市荆州中学2023-2024学年高一下学期5月月考数学试卷
名校
解题方法
6 . 如图,球
内切于圆柱
,圆柱的高为
,
为底面圆
的一条直径,
为圆
上任意一点,则平面
截球
所得截面面积最小值为__________
若
为球面和圆柱侧面交线上的一点,则
周长的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4f5433a5ff7e6d806eb3bfb34bd3a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0215e13a9fb5574d5194aeb9507a98aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1726b15a51333bfaafb4f6f4a4e23cd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad09714898da4802e86c6595f7c6dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e4dd6baf95be502586df9f93582ddc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e707a7bea901a3af6aef3cd43ac685e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe65856674c95e6c04ae405f68cd74a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/17/21deb060-ea17-4e91-a482-f066f8f3c0e5.png?resizew=140)
您最近一年使用:0次
2024-04-13更新
|
1140次组卷
|
5卷引用:湖北省黄冈市浠水县第一中学2024届高三下学期第四次高考模拟数学试题
名校
7 . 某校数学建模兴趣小组收集了一组恒温动物体重
(单位:克)与脉搏率
(单位:心跳次数/分钟)的对应数据
,根据生物学常识和散点图得出
与
近似满足
(
为参数).令
,
,计算得
,
,
.由最小二乘法得经验回归方程为
,则
的值为___________ ;为判断拟合效果,通过经验回归方程求得预测值![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a5b0da721c7e11982135312addaea3.png)
,若残差平方和
,则决定系数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3df3adf12e6180d1b8813c7071b074da.png)
___________ .(参考公式:决定系数
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/956ca5a4decb33f8c95b14e49a49d8de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ca9cd18d0d8f5b0bbdc4b2fe6ce33de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b341d1d30b8f27fd936a8c8069afde4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d4c5bd9940ef22fe94e1cc99b6b6e4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e84b5e98c1af0032c30d88affcfe26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02d5b2592ea9f8b53c22aaf1113b9833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a82e0f37f531973b05bc12aac2d468.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7814566a881acd747e9401492a9acc63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c3bf82cb039048c3213604647035f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a5b0da721c7e11982135312addaea3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8717d4ea5e8525bdf85c6d9a7816ce5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3686c8d7663ce138398e809f602130.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3df3adf12e6180d1b8813c7071b074da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3572c285a6a276bc3649a0048852d22c.png)
您最近一年使用:0次
2024-03-21更新
|
3350次组卷
|
8卷引用:湖北省荆州市部分重点高中2024届高考适应性考试数学试题
湖北省荆州市部分重点高中2024届高考适应性考试数学试题广东省广州市2024届普通高中毕业班综合测试(一)数学试卷(已下线)第9章 统计 章末题型归纳总结-【帮课堂】2023-2024学年高二数学同步学与练(苏教版2019选择性必修第二册)(已下线)北师大版高二模块三专题1第2套小题进阶提升练湖南省长沙市第一中学2024届高三下学期高考适应性演练(二)数学试卷(已下线)8.2 一元线性回归模型及其应用(6大题型)精练-2023-2024学年高二数学题型分类归纳讲与练(人教A版2019选择性必修第三册)湖南省永州市第一中学2023-2024学年高二下学期6月月考数学试题福建省泉州市安溪铭选中学2023-2024学年高二下学期6月份质量检测数学试题
名校
8 . 已知双曲线
的左右顶点分别为
,点
是双曲线
上在第一象限内的点,直线
的倾斜角分别为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8330ddbd3affee70070c06c45a10b47.png)
__________ ;当
取最小值时,
的面积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b30352c43707c4e54b94ce5b61f2e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8330ddbd3affee70070c06c45a10b47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e66f073bcf645db516f96974a067462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
您最近一年使用:0次
2024-03-13更新
|
2539次组卷
|
6卷引用:湖北省七市州2024届高三下学期3月联合统一调研测试数学试题
湖北省七市州2024届高三下学期3月联合统一调研测试数学试题山东省潍坊市昌乐北大公学学校2024届高三下学期3月监测数学试题(已下线)数学(新高考卷01,新题型结构)(已下线)湖北省七市州2024届高三下学期3月联合统一调研测试数学试题变式题11-15河北省重点高中2024届高三下学期5月模拟考试数学试题(一)重庆市涪陵第五中学校2024届高三下学期第二次适应性考试数学试题
名校
解题方法
9 . 如图所示,抛物线
的焦点为
,过点
的直线
与
分别相交于
和
,直线
过点
,当直线
垂直于
轴时,
,则
的方程为__________ ;设直线
的倾斜角分别为
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b527ec9f92467b8f24554a2a67ee987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f1fe1deabeaa5fea12dca67db2eee11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc3ea0625ef0a45f4c96c778ba484fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d93949d8a15aca4e79cedb978590571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdf65bf78b37dff86adaf836c54bdb57.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/133a4d9f-5e44-4623-b1ad-adaa252a2f9d.png?resizew=149)
您最近一年使用:0次
10 . 已知函数
,若方程
有四个不同的解
,
,且
,则a的取值范围是_____________ ,
的取值范围是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b7cf1f2c6f67e2cab17070879a97bd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4695051d4a3df4cadf89bbad603c31da.png)
您最近一年使用:0次