naturallyari98 naturallyari98

14-02-2017
Mathematics

contestada

Zina solves a system of linear equations by elimination and finds a solution of (2, 2). One of the equations is a + b = 4. What is the other equation?

Respuesta :

texaschic101 texaschic101

14-02-2017

a - b = 0 <=== ur other equation

check...
a + b = 4
a - b = 0
--------------add
2a = 4
a = 4/2
a = 2

a - b = 0
2 - b = 0
-b = 0 - 2
-b = -2
b = 2

solution is (2,2)

Answer Link

Otras preguntas

Anna brikenwald, a 77-year-old retired chef, is a resident in the long-term care facility where you practice nursing. while she has had a 20-year-history of hyp

In a room filled with 7 people, 4 people have exactly 1 sibling in the room and 3 people have exactly 2 siblings in the room. if two individuals are selected fr

A line with a slope of 5 passes through the points (v,-9 and (7,6). What is the value of v?

According to horace mann, why was education an important institution for americans

Why was the blow of the october 1996 change softer on some employers than it?

In a(n) ________ culture, members are responsible for the entire group.

Chandra needs to participate in an important conference call and plans to use active listening skills. she shuts down her computer, turns off her smartphone, an

Describe the difference between the meaning of the terms accuracy and precision in scientific measurment

Then add five pairs of your own explaining their connotative differences

what is the scale factor of 8in=200mi?