meababy2009ow9ewa meababy2009ow9ewa
  • 12-02-2018
  • Mathematics
contestada

1. Solve the system by the elimination method. Check your work. R - 9S = 2 3R - 3S = -10 {(-4, -8/3)} {(-4, -3/2)} {(-4, -2/3)}

Respuesta :

Аноним Аноним
  • 12-02-2018
R - 9S = 2 --------- (1) 
3R - 3S = -10 -----(2)

(1)x 3
3R - 27S = 6 --------(1a)

(1a) - (2):
-3s - ( -27s) = -10 - 6
- 3s + 27s = -16
24s = -16
s = -2/3 ---- sub into (1)
R - 9(-2/3) = 2
R + 6 = 2
R = 2 - 6
R = -4

Ans: R = -4, S = -2/3 [Answer: (-4, -2/3) ]
Answer Link
cineusstanleyy cineusstanleyy
  • 12-02-2018
the correct answer for R and S are
R = - 4
S = - 2/3

( -4, - 2/3)
Answer Link

Otras preguntas

According to the law of the conservation of energy, the total amount of energy in the universe is _____. What is the blank?
The main difference between an argumentative essay and an explanatory essay is that an explanatory essay: A.includes an introduction, body paragraphs, and a co
What is the approximate boiling point
which numbers below belong to the solution set of the inequality? 7x>119
simplify as much as possible. assume all varibles are postive
What does a tubifex worm eat. And if your going to take something off goole plz find something that says what the worm eats not the fish. Thx.
What can readers infer from the following quote from Act V, Scene 3 of Romeo and Juliet? Montague: O thou untaught! what manners is in this, To press before
What is -1 OVER 7 Multiplyed by 1 over 5
A positive and a negative charge, each with a magnitude of 1.41 x 10^-5 C, are separated by a distance of 0.44 m. Find the force on each of the particles.
what is the difference between renewable and non-renewable resources