BP1960
BP1960
09-04-2015
Mathematics
contestada
how do I solve 4x+y=0 and 5x-y=9
Respuesta :
AyaZ
AyaZ
09-04-2015
[tex] \left \{ {{4x+Y=0} \atop {5x-Y=9}} \right. [/tex]
[tex](4x+y=0) + (5x-y=9) \\ 9x+y-y=0+9 \\ 9x=9[/tex]
[tex] x=1[/tex]
[tex]4(1)+y=0[/tex]
[tex]y=-4[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 32+ )
Otras preguntas
Oxidative stress and reactive oxygen species are associated with endothelial dysfunction related to cardiovascular and metabolic diseases. a) True b) False
An integer is chosen at random from the integers 1 , 2 , 3 , … , 50 1 , 2 , 3 , … , 50 . The probability that the chosen integer is a multiple of atleast one of
Why do we see the Big Dipper throughout the year, but we only see other constellations (Aquarius or Leo) only at some times of the year?
200 students take admission in an institute. They are to be put in 4 sections, A, B, C, and D of equal size. The number of ways in which this can be done is ___
Imagine a large rectangle with sides measuring m and n units. How many smaller rectangles could we possibly fit inside this larger rectangle, with no corners of
A 0.0510 kg egg is dropped on Earth. What is the force of weight on the egg? W = [?] N weight (N)
construct triangle RST given ST= 8cm. SR= 7cm and angle RST= 45°
Mr. Hernandez starts an argument with you about the physician’s fee. What would be your response? Why?
20 POINTS FIND THE VALUE OF X IN THESE PICTURES PLEASE HELP ASAP
Why do people often compare “good” TV to the writing of Charles Dickens? What does Kirsch say about Dickens’s writing that welcomes this comparison? Use evidenc
