heavrilbekayra heavrilbekayra

04-05-2016
Mathematics

contestada

Solve the system by the elimination method. Check your work. 3a + 5b - 7 = 0 a - 2b - 4 = 0

Respuesta :

meerkat18 meerkat18

11-05-2016

3a + 5b - 7 = 0
0a - 2b - 4 = 0

-2b = 4 - 0a
b = (4 - 0a)/ -2
b = -2

3a + 5b - 7 = 0
3a + 5(-2) - 7 = 0
3a - 10 - 7 = 0
3a - 17 = 0
3a = 17
a = 17/3 or 5 2/3

Answer Link

Otras preguntas

Coping with any challenge in life ,including dying is

What is the area of the figure? A figure can be broken into 2 rectangles. One rectangle has a base of 4 meters and height of 5.2 meters. The other rectangle has

Thomas took everyone to lunch and there were 11 people at the table. Everyone’s meal cost the same and the total bill was $115.39. How much did each person’s me

project: Modeling Energy Changes create a model to show how energy changes in a chemical reaction

Jacob Engineering Group views and organizes its marketing activities from the viewpoint of its buyers. Management works hard to sense, serve, and satisfy the ne

Find the value of x in the isosceles triangle shown below.

2 (LC)In evaluating an online resource for use in a research project, you should consider (10 points)O if the author has published other worksO the author's bac

Whats the cm2? Help please :)

Suppose that the emf from a rod moving in a magnetic field was used to supply the current to illuminate a light bulb in a circuit, and the force needed to keep

Which is the cosine ratio of