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 ( 18+ )
Otras preguntas
People who are always late for a deadline or a dinner engagement place an unacceptable ___ upon others. A. imposition B. exposition C. mediation D. proponent
Political scientists are not interested in the kind of knowledge on which the answers to questions are based. TrueFalse
Selecting a career in an industry that is rapidly declining might mean facing _____ employment opportunities. better fewer advanced technical
What is the effect of enjambment in this excerpt from "Porphyria's Lover" by Robert Browning? That moment she was mine, mine, fair, Perfectly pure and good: I
For each minute a race car traveled, the pit crew measured the speed of the car in miles per hour. Which type of graph would best display this information? A.li
The perspectives represented in "Ozymandias" include all the following expect a. Ozymandias b. The sculptor c. The queen d. The traveler
_____ are all sponsored domain name extensions. .com .mobi .gov .edu
Hunter thought he purchased an umbrella for $60. The actual price of an Umbrella is $50. What is hunters percent error
Write a variable expression that represents the word problem. Gisele gave d dimes and n nickles to her brother. Which expression represents the amount in dollar
How did President Nixon respond to the impeachment charges? A) He denied all charges. B) He resigned from the presidency rather than face forced remov
