riveraj15 riveraj15

24-06-2016
Mathematics

contestada

Solve by the substitution method. Show your work for full credit.
y = 3x – 12
2x – 3y = -13

Respuesta :

24-06-2016

Hello
y=3x-12
2x-3(3x-12)=-13
==>2x-9x+36=-13
==>-7x=-49
==>x=7
y=3*7-12
==>y=9

Answer Link

Otras preguntas

Find the area of a Parallelogram if it was 2 cm and 6 cm

a ball is thrown upward. its height ( h, in feet ) is modeled by the function h = -16t^2 + 64t+3, where t is the length of time ( in seconds ) that the ball has

The gravitational acceleration on earth is 9.8 m/s^2. what is the weight of a car on earth if it has a mass of 1360 kg?

A wave has a wavelength of 20 mm and a frequency of 5 Hz what is the speed? 100 mm/s 100 hertz/s 4 mm/s 25 mm/s

The country of ____________ fought the british for control of india, but an east india company official named _________ led the british to victory.

Please Help!!!! Algebra 2.

What is bias? Explain an example of bias you witnessed in the Concord City election.

Is it a good thing that demographic factors influence political opinions?

Which example is NOT the proper use of a casting of a toolmark? A) Comparing with the cast of a suspect tool B) Comparing with a photograph of a suspect tool C)

Which battle had the highest mortality rate for the Union during the Civil War? A. Milliken’s Bend B. Port Hudson C. Vicksburg D. New Orleans