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 ( 79+ )
Otras preguntas
The ionization energy trend on the periodic table is highest to the (left/right) and upper corner ______________
A rocket is fired vertically upward with an initial velocity of 29 m/s how long does it take to reach its highest point PLEASE ANSWER
The base number can also be a fraction. Convert the decimals to fractions in Examples 7 and 8 and evaluate. Leave your answer as a fraction. Remember how to mul
Answer question 1 only, please and thank you. In Problems 1 through 10, find a function y = f(x) satisfy- ing the given differential equation and the prescribed
A compound contains 38.7% K, 13.9% N, and 47.4% O by mass. What is the empirical formula of the compound
PLEASE HELP ON QUESTION ASAP. if answer is correct i will rate you five stars a thanks and maybe even brainliest. Alex drove for 3 hours at average speed of 60m
(NH4)2S is a strong electrolyte. Determine the concentration of each of the individual ions in a 0.300 M (NH4)2S solution.
A rocket is fired vertically upward with an initial velocity of 29 m/s how long does it take to reach its highest point PLEASE ANSWER
Portfolio theory as described by Markowitz is most concerned with: A) the elimination of systematic risk. B) the effect of diversification on portfolio risk. C)
A(n) ______ is a segmented circle whose segments portray the relative frequencies of the categories of some qualitative variable.
