clarissa0811ou3f8i clarissa0811ou3f8i
  • 03-08-2017
  • Mathematics
contestada

solve the system of equations using elimination. 3p+9q=6 5p-5q=30

Respuesta :

dpokharnaotzjgn
dpokharnaotzjgn dpokharnaotzjgn
  • 03-08-2017
45p-45q=270
15p+45q=30

Solving this will get 60p=300 so p=5
Plug it in and we get 15+9q=6 so q=-1

The answer is p=5 q=-1


Answer Link
JessicaDaggett16
JessicaDaggett16 JessicaDaggett16
  • 03-08-2017
3p+9q=6
5p-5q=30

3(5)+9(-1)=6
15-9=6✔

5(5)-5(-1)=30
25+5=30✔

p=5
q=-1
Answer Link

Otras preguntas

i need help with a problem help pls
What makes Galatea come alive?
What important role do third parties often play in US national elections? A) causing major parties to fight one another B) breaking up major parties’ dominance
G find the equation of the line (in slope intercept form) passing through the point (4,3) and parallel to the line passing through (1,2) and (4,2).
Who of the following wrote Greek comedy?
_______ was a leader in reforming the catholic church..
need help with this question pls help
What does xylem do in a plant
Can someone briefly describe SOH CAH TOA?
What should an outline for an argumentative essay include? Check all that apply. 1) a statement that expresses the claim 2) reasons why the claim is correct 3)