adziam21
adziam21
06-10-2016
Mathematics
contestada
Solve the system of equations -2x+y=5 x-3y=-30
Respuesta :
jacquiblanco99
jacquiblanco99
06-10-2016
-2x+y=5
x-3y=-30 so you can multiply the bottom equation by 2 you'll get 2x-6y=-60
-2x+y=5
2x-6y=-60 And subtract the equations. You'll get -5y=-55 y=11. Plug it in to one of the original equations. -2x+(11)=5
-2x=-6 so x=3
y=11 and x=3
Answer Link
VER TODAS LAS RESPUESTAS ( 34+ )
Otras preguntas
RNA is chemically similar to DNA except that its sugars have an additional oxygen atom, and the base thymine is replaced by a structurally similar base called
PLEASE HELP PLEASE AND THANKS
data will be collected on the following variables. which variable can be considered discrete
a dump truck slowly tilts its bed upward to dispose of a 95 kg steel cabinet. For small angle of tilt the crate stay put,but when the tilt angle exceeds 23.2° t
Give five types of context clues and use them in sentences.
The effect wind has on an airplane can be modeled by using a wind tunnel. What is one limitation of this model
11. a. dramaturgy b. impression management c. Erving Goffman d. generalized other
What organelle would you not find in a plant cell? Chloroplasts,centrioles,central vacuole,or cell wall?
a car with a mass of 1100kg is moving in a circular curve at a uniform velocity of 15m/s the force on the car is 4000N what is the radius of the curve
Calculate the sum of the first 100 numbers. (Try to find the shortest way.)
