1 . 已知椭圆
与
轴交于点A,B,把线段AB分成6等份,过每个分点作
轴的垂线交椭圆的上半部分于点
,
,
,
,
,
是椭圆C的右焦点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a7315208b83923a2bddaae013f7a6e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee50575e3ebd56c4f46dd0bbf8e55d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e24e843f778f53af4f3c9e25faa809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e15a97fc7f5047ba3c824c270c38c25.png)
A.20 | B.![]() | C.36 | D.30 |
您最近一年使用:0次
2022-11-08更新
|
1213次组卷
|
11卷引用:贵州省毕节市金沙县2022届高三11月月考数学(理)试题
贵州省毕节市金沙县2022届高三11月月考数学(理)试题河北省邯郸市八校联盟(永年一中、大化一中等)2021-2022学年高二上学期期中数学试题湖南省百校联考2021-2022学年高二上学期期中数学试题山东省枣庄市薛城区2021-2022学年高二上学期期末数学试题北京市朝阳区清华大学附属中学朝阳学校2022-2023学年高二上学期期中考试数学试题湖南省邵阳市邵东市第四中学2022-2023学年高二上学期期中数学试题黑龙江省哈尔滨师范大学附属中学2022-2023学年高二上学期期中考试数学试题山东省枣庄市市中区2022-2023学年高二上学期期末数学试题广东省东莞市光明中学2022-2023学年高二上学期期中数学试题(已下线)专题3.2 椭圆的简单几何性质【八大题型】-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第一册)湖北省黄冈市黄梅国际育才高级中学2023-2024学年高二上学期期中数学试题
解题方法
2 . 已知底面边长为
的正四棱柱的各顶点在同一个球面上,若该球的表面积为
,则该正四棱柱的侧面积为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9609625b502348556ff8ba32deac8caa.png)
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解题方法
3 . 某几何体的三视图如图所示,则该几何体的体积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/2/22f5da25-181d-44e2-abdd-b47ee3ce5896.png?resizew=277)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/2/22f5da25-181d-44e2-abdd-b47ee3ce5896.png?resizew=277)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 某银行对某市最近
年住房贷款发放情况进行了统计调查,得到如下数据:
将上表进行处理(令
,
)后,得到如下数据:
(1)试求
与
的线性回归方程
;(
,
用分数表示)
(2)利用(1)中所求的线性回归方程估算2024年房贷发放数额.(结果精确到整数位)
参考公式:回归方程
中斜率和截距最小二乘估计公式分别为
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b06e95b57b7a81cd81d05557a11fa92.png)
年份![]() | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
贷款![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c529efd9633363e0ef83786a6ad3d1a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e1254be1e10c11061aa97e66f7acc68.png)
![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9654b992b6338ea105a347811ce87c3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0032ca31e3cba58f973c6e75b907fb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc5505526d11946ca7d3a4421a9e08f.png)
(2)利用(1)中所求的线性回归方程估算2024年房贷发放数额.(结果精确到整数位)
参考公式:回归方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cf74bbdee085c44778ac6191e5016b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49583fd8392008ba63b4e45695364cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a58291bd91befe1061530246da983727.png)
您最近一年使用:0次
解题方法
5 . 如图,已知三棱柱
的侧棱与底面垂直,
,
,
,
和
分别是
,
和
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/9b0b5c6b-42ea-40fd-8428-9abdcbddc6e2.png?resizew=147)
(1)证明:
平面
;
(2)已知直线
与平面
相交于点
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09bdbf17f7bb0e70a339b4a1971d5c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/9b0b5c6b-42ea-40fd-8428-9abdcbddc6e2.png?resizew=147)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc027de6ca8c118ed6ccd52eae99a821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9a8181f7a7fe7f3fac872ce9534f15.png)
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39bfd8e9f2f08a5807a23677988b240b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b49429929efaab82649bf6003f0ad7.png)
您最近一年使用:0次
6 . 已知向量
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc307c6ce642e21ed1ed8c92e4cf7449.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a06e186556bb1b22bfb638b2da5d65a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5072e817a6b9a062730d22af64a8314c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
2022-01-15更新
|
461次组卷
|
2卷引用:贵州省毕节市金沙县2022届高三11月月考数学(理)试题
7 . 已知双曲线
:
的左、右焦点分别为
,
,
是双曲线的右支上一点,且
,则双曲线
的离心率的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56a6deeaec815a4b4e75c519d91dfe0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c1a1f07ade40cf643e90dee9ab6659.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
名校
8 . 某民族学校有
的学生喜欢民歌或民舞,
的学生喜欢民歌,
的学生喜欢民舞,则该学校既喜欢民歌又喜欢民舞的学生数占该校学生总数的比例是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed3d2da9bd0eb292d440fe55299e6a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78cf2bdc73e89152ddd4d97ce648e0b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbb00d558e456638de8ff1788db5a8d4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-01-12更新
|
322次组卷
|
3卷引用:贵州省毕节市金沙县2022届高三11月月考数学(文)试题
9 . 如图,四边形
是矩形,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
.
![](https://img.xkw.com/dksih/QBM/2022/1/6/2854801019756544/2889936155975680/STEM/f8846769-3e24-4a24-a45a-3712cdfbbd6d.png?resizew=142)
(1)证明:
平面
.
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/813f2f1611bde7afc9b8280b35dd84a8.png)
![](https://img.xkw.com/dksih/QBM/2022/1/6/2854801019756544/2889936155975680/STEM/f8846769-3e24-4a24-a45a-3712cdfbbd6d.png?resizew=142)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e0bd4b30dc777ac9da80f6baa3eb31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c0bfeadcf17b2a45896071f07a4a5a.png)
您最近一年使用:0次
2022-01-08更新
|
364次组卷
|
2卷引用:贵州省毕节市金沙县2022届高三11月月考数学(理)试题
名校
解题方法
10 . 在边长为2的正六边形内任取一点,则这个点到该正六边形中心的距离不超过1的概率为( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-11-30更新
|
897次组卷
|
7卷引用:贵州省毕节市金沙县2022届高三11月月考数学(文)试题
贵州省毕节市金沙县2022届高三11月月考数学(文)试题云南省十五所名校2022届高三11月联考数学(文)试题(已下线)专题21 排列组合与概率必刷小题100题-【千题百练】2022年新高考数学高频考点+题型专项千题百练(新高考适用)四川省广安代市中学校2021-2022学年高二上学期第三次月考数学(文)(网班)试题宁夏吴忠市2023届高三下学期一轮联考数学(理)试题(已下线)专题17计数原理与概率统计(选择填空题1)新疆哈密市第十五中学2021-2022学年高二上学期期末数学试题