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

Which fossil fuel is the most widely consumed in the United States? A. petroleum B. natural gas C. peat D. coal
After the British took control of Florida in 1763, they decided to move into Georgia. In 1778 they captured which historical city? A. Augusta B. Atlanta C. Colu
Movies are on sale for 3/4 the original price. If the original price is $10, what is the sale price? $3 $4 $7.50 $3.40
What happened in Russia in 1917 that led the United States to justify its involvement in World War I as a fight for democracy? A.) Russia signed a military defe
Which of the following grievances from the Declaration of Independence reflects the principle of social contract? A "He has refused his Assent to Laws, the most
Suki buys dog food in 13.4-pound bags. She feeds her dog 0.3 pound of food twice a day. How many full days will the bag of food last?
What is the slope??????
what is the greatest factor of 52 that is a prime number?
Which term best describes classical Greek depictions of the human form in sculpture? A. abstract B. exaggerated C. lifelike D. distorted
how are landforms regions different from climate regions