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

Which is the closest antonym for the word incorporate? A Stabilize B Omit Maintain Usher
HELP ME WITH THIS QUESTION PLEASE!!!!!
A(n) _____ is a point where three or more edges intersect.
1/4(24x+12)=6(x+1/2)
Manfred is the father of a 16-year-old boy. He notices that his son heads over to the other side of town after getting back from school to meet some friends who
Suppose a city with population 600,000 has been growing at a rate of 6% per year. If this rate continues, find the population of this city in 13 years.
ken keepen paper clips in a box that is the shape of a cube.Each side of the cube is 3 inches. what is the volume if the box?
PLEASE HELP! 40 POINTS! Sort each characteristic according to whether it describes the parent absolute function
How did the economy change immediately after World War I? A) Demand for wartime goods dropped. B) The number of immigrants available to work decreased. C) Th
NEED HELP ASAP PLEASE WITH #10!!