bespo33713 bespo33713
  • 03-05-2018
  • Mathematics
contestada

Identify the values that create ordered pairs that are solutions to the equation 3x - 5y = 20.

(5,y) (x,2)

Respuesta :

ashtoningramp69fcg ashtoningramp69fcg
  • 03-05-2018
X=10 Y=1

thats your answer hope it helps ;P
Answer Link
gmany
gmany gmany
  • 03-05-2018
3x - 5y = 20

(5; y)  -  put x = 5 to the equation

3 · 5 - 5y = 20
15 - 5y = 20  |-15
-5y = 5  |:(-5)
y = -1

Answer: (5; -1)

(x; 2)  -  put y = 2 to the equation

3x - 5 · 2 = 20
3x - 10 = 20    |+10
3x = 30    |:3
x = 10

Answer: (10; 2)
Answer Link

Otras preguntas

Two congruent squares are joined to make a rectangle. The perimeter of the rectangle is 96 cm. What is the area of the rectangle? A. 512 cm2 B. 144 cm2
A transformer has a primary voltage of 115 V and a secondary voltage of 24 V. If the number of turns in the primary is 345, how many turns are in the secondary?
In romeo and juliet act 3 scene 2 where does juliet send the nurse and why
33 1/3 percent of 600
What is the value of 7 to the fifth power?
write using exponents (-2)(-2)(-2)(-2)(-2)
What was the Incas' greatest achievement?
How many days are in a solar year?
How were United States senators chosen before the general population was able to vote for them?
Plz help me evaluate this expression : (jk)^-5 (jk)^3= a. (jk)^-2 b.(jk)^-8 c.(2jk)^-2 d.(2jk)^-8