katj065 katj065
  • 22-03-2017
  • Mathematics
contestada

Solve the system by the elimination method. Check your work. R - 9S = 2 3R - 3S = -10

Respuesta :

irspow
irspow irspow
  • 22-03-2017
-3(r-9s=2)+(3r-3s=-10)

24s=-16

s=-2/3, now using either original equation we can solve for r.

3r-3s=-10 becomes:

3r+2=-10

3r=-12

r=-4 so the solution is the point:

(s,r)=(-2/3, -4)
Answer Link

Otras preguntas

What would happen if the valves separating the chambers in a person's heart did not close?
joe is making a recipe that calls for 3/4 teaspoon of cinnamon. his only measuring spoon holds 1/8 teaspoon. How many times will he need to fill his measuring s
when --- equals the force of gravity on a falling object, the object reaches terminal velocity.
is the relationship between 6 and the number of 6s 6,641
Which is most likely an acquired trait in horses? A. color of fur B. length of ears C. ability to run D. a slight limp
is the relationship between 6 and the number of 6s 6,641
what is the mass of H2O produced when 10.0 grams of H2 react completely with 80.0 grams of O2
A manufacturer buys bolts from a supplier. The bolts cost 0.17 cents each, but the manufacturer made a deal with the supplier and get 4000 bolts for $595.50. To
n is an integer -1 < n < 4 list the possible values of n
there is my question