当前位置: > A certain basketball team that has played 2/3 of its game has a record of 17 wins and 3 lossed.What ...
题目
A certain basketball team that has played 2/3 of its game has a record of 17 wins and 3 lossed.What is the greatest number of the remaining games that the team can lose and still win at least 3/4 of all of its games?我自己算出答案是5,但是答案是4,我也不知道为什么,如果方便的话把答题过程也一起贴上吧!感激不尽!

提问时间:2020-11-06

答案
很容易算出赛季共30场((17+3)/(2/3)).
问的是最多还能输几场(设为x),于是得:
(30-3-x)/30 >= 3/4
解出x
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
版权所有 CopyRight © 2012-2019 超级试练试题库 All Rights Reserved.