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 ( 89+ )
Otras preguntas
Given the function defined in the table below, find the average rate of change, in simplest form, of the function over the interval 2 ≤ x ≤ 6.
Find the y-intercept and x-intercept of the line 6x-2y=12
My I please get help with this math. I need help answering for each of them
Solve: 4(x+3) ≥ 2(2x-2)Group of answer choicesno solutionone solutioninfinite solutionstwo solutions
A RESEARCHER, WHILE ISOLATING AN ENZYME, FINDS AN INCREASE IN THE ACTIVITY OF THE ENZYME, AFTER A SPECIFIC PHASE THE SITUATION. HOW DO YOU THINK YOU CAN EXPL
What is the correct form of the equilibrium constant for the reaction of hydrogen and oxygen to form water? The equation is: 2H 2( g) + O 2( g) ⇌ H 2O( g)
7/8 = X/16 X=how do I solve it
A cylindrical can has a radius of 6 inches and a height of 15 inches. Find the volumeof the can.
If a sample of 17.3 moles of gas at a pressure of 7.5atm and at a temperature of 306K, what is the volume of the container that the gas is in?
Find the area of the circle with the diameter 8yd use the 3.14 for pie don’t round
ACCESS MORE
EDU ACCESS
Universidad de Mexico