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

A 25.0 mL sample of H3PO4 requires 50.0 mL of 1.50 M NaOH for complete neutralization. What is the molarity of the acid?
Please show all work cuase I don’t understand thank you
Which of the following is a scalar quantity? a. 35m b. 20 m to the right c. 30 m to the North d. All of the above
lago accuses Cassio of putting on a false appearance to gain his own ends. Why is this accusation an example of dramatic irony?
Kyle cut a 4 foot piece of rope into pieces that are 0.25 feet long how many pieces of rope did he cut?
What structures in plants allows for water and nutrients to be transported
3. What is the largest number of identical squares whose areas are whole numbers (1,2,3,...) that would fit in a square whose area is 972 cm2? Show all your wor
I am so confused , what is the answer to 5x=-2x+49?!​
explain the components of the formation of social contract​
If 0 A. f<0 and g<0 B. f<−1 and g<0 C. f<−1 and g>1 D. f<1 and g>0