Top Posters
Since Sunday
7
n
3
j
3
o
2
x
2
c
2
2
p
2
n
2
3
2
C
2
z
2
Home Q & A Board Science-Related Homework Help Mathematics
New Topic  
rini rini
wrote...
Go to Answer
Posts: 13
Rep: 0 0
10 years ago
How do we solve a a system of three equations in three variables? I cannot find an example of how to do it.

20=400a+20b+c

110=1600a+40b+c

295=3600a+60b+c
Read 340 times
3 Replies
Replies
wrote...
#1
10 years ago
Hint:  use cramer's rule.
Answer accepted by topic starter
Michi09Michi09
wrote...
#2
Posts: 26
Rep: 0 0
10 years ago
Sign in or Sign up in seconds to unlock everything for free
This verified answer contains over 160 words.
1

Related Topics

wrote...
#3
10 years ago
{a =  19/160,

 b  =   -(21/8),

c  = 25}
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  983 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 91
  
 235
  
 330
Your Opinion
Who's your favorite biologist?
Votes: 587
Previous poll results: Where do you get your textbooks?