beardorado13
beardorado13
24-09-2017
Mathematics
contestada
how to solve 2x+3y=9 and -4x-6y=-18
Respuesta :
Catya
Catya
24-09-2017
multiply the first equation by 2, then add it to the second equation.
2(2x+3y) = 2(9)
4x + 6y = 18
+-4x -6y = -18
----------------------
0 + 0 = 0
the equations describe the same line. infinite number of solutions
Answer Link
VER TODAS LAS RESPUESTAS ( 35+ )
Otras preguntas
20 POINTS Do you think that you try to be completely unique or imitate others as you develop your personality? Why? Give some examples of how you develop your
As the number of sides increases, how do the angles change? What is the relationship between the central angle and the interior angle?
Q: give answer in decimal to the nearest tenth of a cm
-What was the suffragist movement and why was it so important to women of that time?
Who was most instrumental in the event described in this headline? Daily Star Segregation in Public Schools Outlawed
In the early days of arctic exploration, dogsled was often the only way to travel. The ice, snow, and extremely cold weather made using other animals, such as h
2.4.9 practice spoken assignment
Read the text about the events detailing the political career of Victor L. Berger of Wisconsin (p 142 under “Imposing Additional Standards”). What can you infer
Name 8.2 Using Parallelograms in Proofs 1. Given: Parallelogram ABCD DE I AB BFI DC с Prove: DE 2 BF A E B
Which statement best completes the diagram? Russian culture (Most people are ethnically Slavic) (Russian Orthodoxy is the most common religion) ? A. Most people
