rendelynchiu rendelynchiu

14-12-2014
Mathematics

contestada

Solving system by elimination
7x+2y=24
8x+2y=30

Respuesta :

14-12-2014

7x+2y=24
-8x-2y=-30 (multiplied each side by -1)
-x = -6
x = 6

7x+2y=24
7(6)+2y=24
42+2y=24
2y = -18
y = -9

Answer Link

Potatoes143 Potatoes143

14-12-2014

7x+2y=24
-8x-2y=-30
-x=-6
x=6
7(6)+2y=24
42+2y=24
2y=-18
y=-9

Answer Link

Otras preguntas

Give three real world examples of rectangular prisms

x y-28 -54-21 -40-14 -26What is the y intercept

Compare and contrast the census 1970 and census 2020 and explain how this exercise shows that the concepts of race, ethnicity, and even gender change over time

Why did it take so long to ratify the articles of the confederation

Describe the processes of fuel ignition and combustion?

You are going to use an incline plane to lift a heavy object to the top of a shelving unit with a height of 7 ft. The base of the incline plane is 9 ft from the

Urgent!! This graph represents a quadratic function. What is the value of a in this function's equation? A. 1 B. -1 C. -2 D. 2

Which of the following explains why f(x) = log4x does not have a y-intercept? Check all that apply. There is no power of 4 that is equal to 0. There is no power

This is the process by which water on the ground surface enters the soil.

A student is pushing a cart of groceries with a mass of 40 kg. The acceleration is 2.5 m/s2. What is the force the student is exerting?