Clueless670
Clueless670
02-12-2016
Mathematics
contestada
-6x+4y+4z=6
-5x+2y-4z=23
2x+5y-4z=25
Respuesta :
Thos
Thos
02-12-2016
-6x+4y+4z=6
-5x+2y-4z=23
----------------------
-11x+6y =29
-5x+2y-4z=23
2x+5y-4z=25
-------------------
7x + 3y = 2
3y=2-7x
6y=4-14x = 29+11x
25x = -25
x = -1
2y=2-7x
3y = 2+7 =9
y=3
-6x+4y+4z = 6
6+12+4z = 6
4z = 12
z = 3
Answer Link
VER TODAS LAS RESPUESTAS ( 86+ )
Otras preguntas
Which Cabinet position was added after 1950? A. Secretary of Agriculture B. Secretary of 6 and Human Services C. Secretary of Commerce D. Secretary of Labor
A 78-inch tall man casts a shadow that is 54 inches long. At the same time, a nearby building casts a 48-foot long shadow. Write and solve a proportion to find
I need help filling in the blanks.
What is the meaning of the prefix com- in the word compact? A. two B. create C. thought D. together
What is 21 divided by something =7
Which one of the following choices is a known factor that influences flexibility? a. Race and ethnicity b. Body composition c. Degree of self-confidence d.
Steve, 18 years old, is three times as old as his brother Daniel. How old will Steve be when he will be twice as old as Daniel?
2a2b3 and -4a2b3 are like terms. a. True b. False
How many cubes will it take to fill the bottom layer of this rectangular prism?
The surface area of a cube is 400 millimeters what is the surface area of a similar cube that is larger by a scale factor of 3
