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 ( 51+ )
Otras preguntas
A sporting goods company has a distribution center that maintains inventory of fishing rods. The fishing rods have the following demand, lead time, and cost cha
30 points Plzzzzz hurrrrryyyy test is in 5 minutes. Answer correctly too!!!! Will mark as brainliest Based on the map, IDENTIFY one human activity that could ha
Select all the correct answers.Which three statements about electromagnetic radiation are true?0Light is a kind of electromagnetic radiation.0Electromagnetic ra
What did Alexunder graham bell invent? How did the invention help people?
"In the mid-1970s the price of oil rose dramatically. This" a. shifted aggregate supply left, the price level rose, and real GDP fell. b. caused U.S. prices t
30% of what number is 270,000?
What was the result of the massacre that took place in China in April 1927? 1. a civil war that lasted two decades 2. a return to a democratic government 3. the
The adrenal medulla secretes epinephrine and norepinephrine. A tumor on the adrenal medulla, called pheochromocytoma, causes excess amounts of these two hormone
Low-frequency vertical oscillations are one possible cause of motion sickness, with 0.30 Hz having the strongest effect. Your boat is bobbing in place at just t
Ill do brainliest. Please Help In the diagram, mis parallel to l. Find the following angle measures.
