kyriem kyriem
  • 01-10-2019
  • Mathematics
contestada

00000000
3) y = 5x - 2
x + 4y = 8
Explain:​

Respuesta :

BasketballEinstein
BasketballEinstein BasketballEinstein
  • 02-10-2019

Answer:

[tex][\frac{16}{21}, 1\frac{17}{21}][/tex]

Step-by-step explanation:

{y = 5x - 2

{x + 4y = 8

Use the Substitution Method:

x + 4[5x - 2] = 8

x + 20x - 8 = 8

21x - 8 = 8

+ 8 + 8

__________

21x = 16

____ __

21 21

x = 16⁄21 [Plug this back into both equations above to get the y-coordinate of 1 17⁄21]; 1 17⁄21 = y

I am joyous to assist you anytime.

Answer Link

Otras preguntas

The path of a roller coaster after it has reached the top of the first hill follows a polynomial function as shown in the graph below....
Tina and Nonly wanted to s whose car gets better gas mileage, so they each drove 210 miles and recorded how much gas they used. Use the bar graph to find how ma
How many integers have the same absolute value equal to 8?
Which empire was captured by francisco pizarro?
Which body of water was most likely the center of roman?
What plate boundary gets pushed under?
What are the Vedas? a) priests b) religious writings c) writings of the Buddha d) Hindu gods
I need help on 4 A company ships a cube with side lengths of 2 ft in a crate that is a larger cube with side lengths of 4 ft.paccking materials is place around
Which one of the following words is an antonym of joyful
An atom of lithium-7 has an equal of