# Maths

solve using cramer's rule 3m+2n=10 and m+2n=4

1. 👍
2. 👎
3. 👁
1. Det:
3 2
1 2 -----> 6-2 = 4

Dm:
10 2
4 2 ----> 20-8 = 12

Dn:
3 10
1 4 ---> (12 - 10) = 2

m = 12/4 = 3
n = 2/4 = 1/2

1. 👍
2. 👎

## Similar Questions

1. ### HISTORY

To rule his empire successfully, Hammurabi instructed his own governors A to teach local rulers B to rule distant cities C to train his sons to rule. B to cut off communication with the outside world

2. ### History

To rule his empire successfully, hammurabi instructed his own governors__________. A.To teach local rulers. B.To rule distant cities. C.To train his sons to rule. D.To cut off communication with the outside world. I think its B

3. ### 9th grade

How do i solve this? Write a rule for the function. Input,x 0 1 2 3 Output,y 3 5 7 9

4. ### algebra

What is the rule called when you distribute and exponent to the numerator and denominator of a fraction? (a/b) squared = a squared / b squared. Thanks for any help. I know it isn't the quotient rule.. but I think this rule does

1. ### MATH

Air pressure at sea level is 30 inches of mercury. At an altitude of h feet above the, air pressure, P, in inches of mercury, is given by, P =30e^(-3.23x10-5h) a)Find th equation of the tangent line at h=0. b)A rule of thumb is

2. ### maths

solve the equation using cramer's rule. 3x+2y=12 and 2x+3y=7

3. ### Physics

When a mass of 50g is hung from 5cm mark of a uniform meter rule. The rule balance on a knife edge placed at the 35cm mark . what is the weight of d meter rule? (take g:10ms-2).

4. ### Social studies

according to aristotle who is the best suited to rule? I said that those in the middle class are best suited to rule because they are less likely to shrink from rule or be over ambitious

1. ### math

Use the Trapezoidal Rule, the Midpoint Rule, and Simpson's Rule to approximate the given integral with the specified value of n. (Round your answers to six decimal places.) The integral of e^(3sqrt(t)) sin3t dt from 0 to 4. n=8

2. ### Algebra II

1) when using cramer's rule to solve the system of equations containing 5x - y = 5 and -3x + y = -9 the denominator for the x and y variables looks like which of these determinants ? a) |5 5 | b) |5 -1 |-3 9| |-3 1| c) |5 -1| |-9

3. ### physics, please help!

(a) Find the current in each resistor of the circuit shown in the figure byusing the rules for resistors in series and parallel. (b) Write three independent equations for the three currents using Kirchhoffâ€™s laws: one with the

4. ### Math

Help, I can't find the pattern rule for this sequence(eg. -6,-3,2,9,18 and the pattern rule is n squared-7) The pattern: 6,28,64,114,178. What's the pattern rule? The pattern: 96,84,64,36. What's the pattern rule? The pattern: