当前位置: > 一道英文数学题,求解...
题目
一道英文数学题,求解
Becca runs at an average speed of 4 miles per hour.On Saturday she ran for 5 hours including a break.
1.Write an expression to show how long her break was if she ran a distance of X miles.

提问时间:2020-12-18

答案
The time Becca took a break was 5 minus that X divided by 4.
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.