23-09-2016
Mathematics

contestada

What is the solution to the system of equations?

y = 1/3x – 10

2x + y = 4

Respuesta :

nobillionaireNobley nobillionaireNobley

23-09-2016

y = 1/3 x - 10 . . . (1)
2x + y = 4 . . . . . (2)

Putting (1) into (2) gives
2x + 1/3 x - 10 = 4
7/3 x = 4 + 10 = 14
x = (3 x 14)/7 = 3 x 2 = 6
x = 6

From (1), y = 1/3 (6) - 10 = 2 - 10 = -8
y = -8

Answer Link

Otras preguntas

Find the surface area of each cylinder. Round to the nearest tenth, if necessary. A cylinder with a radius of 1ft and a height of 10ft.

One way human trafficking can affect the victims self esteem

Which of the following shapes are geometric? Question 2 options: square cloud rectangle triangle.

What evidence from the storyteller"" supports the theme that pride goes before a fall?.

Cindy's backyard is shaped like a rectangle that measures 20 feet long and 25 feet wide. How many square feet of sod does Cindy need to cover her entire backyar

Where is the St. Lawrence Seaway located? Ottawa Quebec Toronto Montreal It’s not Montreal.

What happens to a protein produced as a result of a point mutation.

may someone please answer this for me

What country has its own unique type of wind called mistral?.

Can someone help me? lol..