Tarmarra21
Tarmarra21 Tarmarra21
  • 03-03-2017
  • Mathematics
contestada

Solve the system of equations and choose the correct ordered pair. 

9x - 2y = 73
5x - 9y = 9

Solve the system of equations and choose the correct ordered pair 9x 2y 735x 9y 9 class=

Respuesta :

Faaaith1
Faaaith1 Faaaith1
  • 03-03-2017
The answer is A (9,4)
Answer Link
wolf1728
wolf1728 wolf1728
  • 03-03-2017
A) 9x - 2y = 73
B) 5x - 9y = 9
Multiply equation A by -5/9
A) -5x +1.1111111111 y = -40.5555555556  then add it to B
B) 5x - 9y = 9
-7.888888888 y = -31.555555555
y = 4


B) 5x - 9*4 = 9

B) 5x -36 = 9
B) 5x = 45
x = 9

Answer Link

Otras preguntas

Arbitrators and mediators help to prevent and solve disputes between people or organizations. a. True b. False
if two fractions have the same denominator but different new Mary which fraction is greater? Give an example
which number when rounded to the nearest whole number 4
According to Aristotle, ethos refers to: A. emotions. B. logic. C. ethics. D. none of the above.
Is this statement true or false? Kingdom Animalia includes only vertebrate organisms.
Sally may say you are penurious if she feels you are a. destitute. b. stingy. c. pathetic. d. cautious.
How many moles of ethyl alcohol, C2H6O, are in a 17.0 g sample?
It is possible for hydrocarbons to contain _______ carbon atoms. a. 2 c. 20 b. 12 d. all of the above
mr. Sanchez has 16 feet of fencing to put around a rectangular garden he wants the garden to have the greatest possible area how long should the size of the gar
Georgia was initially founded as a haven for a. English debtors b. Catholics c. Enslaved Africans d. French traders