皮皮学，免费搜题
登录
搜题
【简答题】
已知某企业的产量和生产成本有直接关系,在这条直线上,当产量为 1000 件时,其总成本为 30000 元,其中不变成本( 不变成本:又称固定成本,是指总成本中(短期内)不随产量变动而变动的那些项目 )为 6000 元,根据这些资料,总成本对产量的回归方程为y=a+bx,则a是(),b是()
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】Question 7: Can you tell me what the difference of two SQL statements at performance of execution? Statement 1: if NOT EXISTS ( select * from publishers where state = 'NY') begin SELECT 'Sales force n...
【单选题】#include struct two { int n; char ch; }; void main( ) { struct two ex1={5,'t'}; printf("%d,%c\n",ex1.n+10,ex1.ch-1); }
A.
5,t
B.
15,s
C.
15,t
D.
5,s
【简答题】Rephrase the two types of pile foundation by using everyday English. Search the internet a picture for each type of pile foundation to illustrate your rephrasing. Read the following description of two...
【单选题】In 1924 America's National Research Council sent two engineers to supervise a series of experiments at a telephone-parts factory called the Hawthorne Plant near Chicago. It hoped they would learn how ...
A.
affected
B.
achieved
C.
extracted
D.
restored
相关题目：
参考解析：
知识点：
题目纠错 0
发布
