# Maths

posted by .

Using a cramers and guassian elimination method solve this;
a+2b+3c=600
2a+3b+c= 900
3a+b+2c=800

• Maths -

D = -18
Dx = -3500
Dy = -2900
Dx = -1100

I'll let you do the elimination; come on back if you get stuck, and show where things went south.

## Similar Questions

1. ### Algebra

Solving system of linear equations by using the apropiate method name the method and the x,y coordinates 1)X=4y+8 2x-8y=-3 2)3x-7y=6 elimination method 2x+7y=4 (2,0) 3)5x-2y=12 elimination method 3x-2y=-2 (7,23/2) 4)9x-8y=42 elimination …
2. ### Algebra/Elimination method

Solve using the elimination method. If the system has no solution or an infinite number of solutions, state this. -27x - 18y = -180 9x + 6y = 60
3. ### Maths

Solve this using elimination method: 4x-3y=-4
4. ### algebra

1 Solve the set of linear equations by the matrix method : a+3b+2c=3 , 2a-b-3c= -8, 5a+2b+c=9. Sove for a 2 4 7 3 2 Solve the set of linear equations by Guassian elimination method : a+2b+3c=5, 3a-b+2c=8, 4a-6b-4c=-2. Find a 1 4 5 …
5. ### maths

(Q1)a+3b+2c=3,2a-b-3c=-8,5a+2b+c=9.solve for a,b&c by matrix method. (a)2,9,3(b)4,(-3),1(c)7,5,5(d)3,(-4),7 (Q2)a+2b+3c=5,3a-b+2c=8,4a-6b-4c=2.find a,b&c by Guassian method.(a)1,4,9(b)4,(-5),5(c)5,(-3),9(d)(-1),5,10
6. ### science

1 What is a set of real or complex numbers or elements arranged in rows or columns to form a rectangular array. set matrix determinant real numbers 2 If A.x= λx ,where A= ∣∣∣∣211232−212∣∣∣∣ …
7. ### Algebra 1

bobpursey, In this problem you helped me with earlier: Solve using any appropriate method. y = 2× - 5, y = ½× + 1 Substitution, substitute for y. 2×-5=½ × + 1 3/2 x=6 x=4 y= 2*4-5=3 How did you choose which method you were going …
8. ### maths

1.solve the set of linear equation by matrix method.a+3b+2c=3,2a-b-3c=-8,5a+2b+c=9 solve for a,b,c 2.solve by Guassian elimination method, (a)a+2b+3c=5,3a-b+2c=8,4a-6b-4c=-2, (b)
9. ### maths

solve using substitution& elimination method 2x/5+3y/4=5;3x/10+5y/8=8
10. ### Maths

Solve Simultaneous Equetion Using Elimination Method: (A)2x - 3y= -3 and 3x - 7y= -1.

More Similar Questions