Lheart
Lheart
04-04-2014
Mathematics
contestada
If 2x+z=2y and 2x+2y+z=20 what is the value of y?
Respuesta :
Аноним
Аноним
05-04-2014
[tex]2x+z=2y\to2x=2y-z\\\\substitute\ to\ 2x+2y+z=20:\\\\(2y-z)+2y+z=20\\2y-z+2y+z=20\\4y=20\ \ \ \ /:4\\y=5\to answer[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 97+ )
Otras preguntas
Into what religious category do the majority of the people in russia and the republics compare with that of the united states
What court case severely limited the 14th amendment? science forum?
The richardson family is out to dinner at their favorite restaurant. The bill comes to $32.00. How much money should they leave for the bill and 20% tip?
plz help me with this
What economic reforms did the people's party call for?
When an object experiences uniform circular motion the direction of the net force is?
How many hours are high school students supposed to sleep?
Raymond wants to plow a garden that is 5 feet longer than it is wide and has a total perimeter of 170 feet. what are the dimensions of his new garden
The lines y = mx + 6, y = x, and the y-axis form a triangle in the first quadrant. suppose this triangle has an area of 10 square units. find m. m =
If there are n teams in a league and each team plays each other twice in a season, the total number of games is given by the polynomial squared 2 minus−n equal
