Florida11 Florida11

03-11-2016
Mathematics

contestada

5x-6y=-15 5x+6y=12 use elimination

Respuesta :

Аноним Аноним

03-11-2016

5x-6y=-15
5x+6y=12
---------------add
10x = -3
x = -3/10
x = -0.3

5x+6y=12
5(-0.3) + 6y = 12
6y = 12 + 1.5
6y = 13.5
y = 13.5 / 6

y = 2.25

Answer Link

Otras preguntas

Select the best answer. Your statistics class has 30 students. You want to call an SRS of 5 students from your class to ask where they use a computer for the on

A solenoid with 33 turns per centimeter carries a current I. An electron moves within the solenoid in a circle that has a radius of 2.1 cm and is perpendicular

The phrase "seven, plus or minus two" refers to the ________. A. number of years information can be stored in long-term memory before it is replaced with new in

A book contains 400 pages. If their are 80 typing errors randomly distributed throughout the book, use the Poisson distribution to determine the probability tha

How does Charlie’s inability to pay rent affect the plot? It causes Charlie to ask Dr. Strauss whether he can return to the lab. It forces Charlie to request t

Tony knows that his score on the state wide math exam in June will count as 2 grades. He presently has 4 quarterly great that average out to 88 what possible gr

When the Federal Reserve lowers interest rates, hoping to jump-start the employment market, what does it hope it will accomplish with that monetary policy actio

Describe why active transport is important to plants? how are nerve cells adapted to their function? Give an example of where diffusion occurs in animals?

Assume that the speed of light in a vacuum has the hypothetical value of 7.58 m/s. In a pickup baseball game, a runner runs at a constant velocity from third ba

The author of the book (El-Haiwan) in which he mention animals is True or False