新
If 1+x+x^2+x^3=60, then the average (arithmetic mean) of x, x^2, x^3, and
x^4 is equal to which of the following?
A 12x
B 15x
C 20x
D 30x
E 60x
这个题直接在等式的两边乘以x就好了,然后除以4,答案就是B
新
If 1+x+x^2+x^3=60, then the average (arithmetic mean) of x, x^2, x^3, and
x^4 is equal to which of the following?
A 12x
B 15x
C 20x
D 30x
E 60x
这个题直接在等式的两边乘以x就好了,然后除以4,答案就是B
热门院校
West Michigan College of Barbering and Beauty
Cossatot Community College of the University of Arkansas
Argosy University (Chicago)
Everest College north miami beach
University of the West of England
Ohio Center for Broadcasting-Colorado
The University of Tennessee
Wirreanda High School
the University of British Columbia
University of Central Oklahoma
Brisbane Adventist College
Eastern Kentucky University
Lafayette College
Vancouver School Board
Lancaster University
Bury Grammar School Boys
Northeastern Illinois University
Mountain Empire Community College