jaheim619
jaheim619
11-02-2018
Mathematics
contestada
5x+2y=-4
-x+2y=8
Solve the system
Respuesta :
sqdancefan
sqdancefan
15-02-2018
Subtract the second equation from the first.
.. (5x +2y) -(-x +2y) = (-4) -(8)
.. 6x = -12
.. x = -2
.. -(-2) +2y = 8
.. 2y = 6
.. y = 3
The solution is (x, y) = (-2, 3).
Answer Link
VER TODAS LAS RESPUESTAS ( 47+ )
Otras preguntas
Simplify radicals problems attached please help!
Jack Hammer is a retired man who has decided to seek work with your company to supplement his retirement income. As you consider whether he will be a good fit f
Arondale Aeronautics has perpetual preferred stock outstanding with a par value of $100. The stock pays a quarterly dividend of $3.00, and its current price is
A man weighing 750 N and a woman weighing 440 N have the same momentum. What is the ratio of the man's kinetic energy Km to that of the woman Kw?
Which of the following statements is true of the relationship between population growth and public health? A. Public health improvements have contributed to wor
You're the account manager for a client who wants to increase reservations at her boutique hotel. You've been manually managing the bids for her campaigns, and
Identify the following as elements or compounds: NH3, N2, S8, NO, CO, CO2, H2, SO2.
Among the contestants in a competition are 46 women and 23 men. If 5 winners are randomly selected, what is the probability that they are all men?
Since the force that acts on a bullet when a gun is fired is equal and opposite to the force that acts on the gun, doesn't this imply a zero net force, and ther
Assume that the price elasticity of demand for movie theatres is -.85 during the evening shows but for afternoon shows the price elasticity of demand is -2.28.