jelly18 jelly18

25-03-2016
Mathematics

contestada

Linear equations 2x+y=20
6x-5y=12

Respuesta :

Hey1ItsHeather Hey1ItsHeather

25-03-2016

Step1:
2x+y=20
6x-5y=12

Step 2:
(2x+y=20)*5
6x-5y=12

Step 3:
10x+5y=40
+6x -5y=12
16x=52
X=3.25

Step 4: Plug into equation
y=-1.5

Answer Link

Otras preguntas

Wellness is the struggle to keep all the components of health at their best possible levels.Please select the best answer from the choices provided. T F

Joey works 6.5 hours a day Monday, Tuesday, Wednesday, Thursday, and Friday. He gets paid $15.05 an hour. How much does Joey earn in a week? (Round your answer

Find the 5 number summary for the data shown x 3.1 10.2 12 12.1 12.2 15.3 27.9 30 Use the Locator/Percentile Method

What is the solution to the equation k + 4 = 7? k = 3 k = 2 1/4 k = 2 3/4 k = 3 1/4

Question 3. The pitter-patter of the rain upon the roof had been a constant sound since George had arrived in England. He had come to explore the wonders of the

The Old Man and the Sea uses figurative language. O True OFalse

Correct the mistakes in the translation from English to French. I’ve found one mistake so far.

How much does mass slow down time?

ii) Find the smallest positive integer p such that 1440p is a perfect cube.

To test a customer’s internet connection, a tech records how long it takes five different websites to load (in seconds). The times are 4.5, 3.8, 2.9, 3.2, and