Friday
October 31, 2014

Homework Help: Math

Posted by Jon on Tuesday, February 26, 2008 at 2:47pm.

Use Cramer's Rule to solve: 3x-5y=21 and 4x+2y=2.

a=3, b=-5, c=4, d=2, e=21, f=2
21(2)-(-5)(2) divided by 3(2)-(-5)(4)
=52/26= x=2

3(2)-21(4) divided by 3(2)-(-5)(4)
=78/26= y=3
answer:
(2,3)

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

math - To solve 3/4 divided by 2/5, Elisha writes, 3/4 divided by 2/5 is the ...
Discrete Math - I am really stuck on these problems. I've worked a lot of them ...
Math - Solve using Determinants and Cramer's Rule? I was absent and missed the ...
math - To solve 3/4 divided by 2/5, Elisha writes, 3/4 divided by 2/5 is the ...
math - Please can you help me with the following two questions? A. By making use...
Math - Divide. Write in simplest form. 5. 1/3 divided by 2/5=5/6 6. 1/9 divided ...
Math - How would you solve the following 2 equations for "X"? x-4(divided by)12=...
Tina - How do I solve this? (2/3^2 divided by 4/5 divided by 1/3? I keep trying ...
math - Which division sentence is related to the given set of subtraction ...
math (long div.) - please help me solve long division :( 1.)8 divided by 6984 (0...

Search
Members