01-12-2014
Mathematics

contestada

substitution method-
r = -3s
r= 10 - 4s

Respuesta :

01-12-2014

[tex]r=-3s\\r=10-4s\\\\-3s=10-4s\ \ \ \ |add\ 4s\\-3s+4s=10\\s=10\\\\r=-3\cdot10=-30[/tex]

Answer Link

Otras preguntas

A system of two equations is shown below. What will you need to multiply the top equation by in order to solve this system using the elimination method? x + y

I'M NOT ASKING FOR THE WHOLE ESSAY BUT SOMEONE PLS GIVE ME AN IDEA OR THE GIST OF SOME TOPICS BECAUSE I DON'T KNOW Use the internet to research either China, In

similarities between chromosphere and photosphere

PLEASE HELP THIS IS DUE IN AN HOUR!!!! how does picasso use the 7 elements of art in his painting, painting of a lover in beret? (example of painting)

PLEASE HELPP!!! I WILL MARK AS BRAINLIEST!!! Which expression represents the area of the rectangle? 130x 130x + 3 130x2 + 30x

What is that answer to 6 (3/8) - 5 (5/8) ?

Compare a republic to a democracy. How are they similar ? How are they different?

Under what condition,the determinant of a matrix is possible?

calculate the power output of a machine that lifts a 50kg crate through a height of 20.0m in one minute

a sticker shaped like a rectangle has an area of 56 square centimeters. it has a width of 7 centimeters.