mubarakibrahim566
mubarakibrahim566
02-10-2019
Mathematics
contestada
Solve: 2x+4y=20 and 2x-y=4
Respuesta :
nadiroz
nadiroz
02-10-2019
Answer:
(x, y) = (18/5, 16/5)
OR
(x, y) = (3.6, 3.2)
Answer Link
kevinw0928
kevinw0928
02-10-2019
Answer:
X=3.6
Y=3.2
Step-by-step explanation:
2x-y=4 which means
2x
=
4+y
2x
+4y = 20 which means
4+y
+4y=20 ==> 4+5y=20
5y = 20-4 = 16
y= 16/5 =
3.2
2x=
4+y
=4+
3.2
=7.2
x = 7.2/2 =
3.6
Answer Link
VER TODAS LAS RESPUESTAS ( 12+ )
Otras preguntas
J is the midpoint of CT CJ = 8x-5 and JT = 5x+4 find CT
A profit formula for dining plates from the previous year was modeled by the function P(d) = –15d2 + 1,200d – 2,000. The manufacturer noticed an increase in th
After a 20% discount, you pay $140 for a skateboard. What was the original price ?
A cash register contains $10 bills and $100 bills with a total value of $2010. If there are 30 bills total, then how many of each does the register contain? $
A machine with a book value of $38,000 is sold for $32,000. Which of the following answers would accurately represent the effects of the sale on the financial s
A floor plan shows that the exterior of a room has dimensions 12 feet by 17 feet. If the area of the room measured from the interior is only 176 square feet, ex
how many times larger is 2000 than 2
A circus act involves a trapeze artist and a baby elephant. They are going to balance on a teeter-totter that is 10 meters long and pivoted at the middle. The l
HELP QUICK PLS ,How will the product change if: One factor is increased 3 times, and the other one is decreased 6 times
Many instances of vibrant color in biology are due to thin-film interference. For instance, imagine a transparent segment of a dragonfly’s wing. It is 94.2 nm
