keeykeey22
keeykeey22 keeykeey22
  • 02-03-2017
  • Mathematics
contestada

Use the elimination method to solve the system of equations.choose the correct ordered pair.
4x+6y=62
-6x+6y=-18

Respuesta :

Аноним Аноним
  • 02-03-2017
if we subtract the equations we can eliminate the 2 6y's
subtractiong the second from the first:-

10x = 44
x = 4.4
now plug x = 44 into the first equation:-
4*4.4 + 6y = 62
6y = 62 - 4*4.4 =  44.4
y = 44.4/6 = 7.4

the answer is the order pair (4.4,7.4)

Answer Link

Otras preguntas

which undermined Lyndon Johnson's efforts to end poverty
The general who directed the project responsible for the "Fat Man” graduated from what alma mater in 1918?
A six-sided number cube is rolled. Find the probability of rolling a 5 or an even number? A. 1/12 B. 1/3 C. 2/3 D. 11/12
How did factory system contribute to the rapid industrialization of the united states?
A protostar is _____. 1.a region of space from which light cannot escape 2.a small star that will continue as a main sequence star for hundreds of billions of y
what is the true meaning of Macbeth by William Shakespeare?
Did Athens invent the agora
During the 1920s, consumers became able to buy "big ticket" items which were previously only affordable to the wealthy. Which factor played the GREATEST role in
What is an example of the strong nuclear force?
Find the Number in Each Case A) 15% of a number is 3 B) 160% of a number is 80 What are the number in Both A and B?