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

The upper quartile of a set of data is represented by which of the following? The median of the upper quarter of the data. The mode of the upper half of the dat
Simplify the expression 2 square root 20 - 3 square root 7 - 2 square root 5 + 4 square root 63
I have a dozen eggs how many eggs are in 1/6 of the carton?
PLZ HELP asap 20POINTs
plzzzzzzz help quys How are the graphs of the sine function and the cosine function similar?
If quadrilateral ACEG quadrilateral NMRP, then which of the following is true?
Why did many progressive woman argue for the right to vote?
a sector of a circle whose radius is 4 centimeters has a central angle of 30'. which of the following represents the area of this setor in square centimeters
Which uses water to remove smoke from burning coal
The coordinate grid shows points A through K. Which points are solutions to the system of inequalities listed below? 2x + y ≤ 10 2x − 4y < 8 Answer choices: