keeykeey22 keeykeey22

02-03-2017
Mathematics

contestada

use the elimination method to solve the system of equations.choose the correct ordered.
4x+7y=60
-4x+7y=-4

Respuesta :

wolf1728 wolf1728

03-03-2017

A) 4x+7y=60
B) -4x+7y=-4
Adding the 2 equations
14y = 56
y = 4

A) 4x+7*4=60

A) 4x+28=60
A) 4x = 32
x = 8

Answer Link

Otras preguntas

ben puts 1800$ in the bank and earns 2% simple interest. he never deposits more money in the back. and at the end of each year, he withdraws the interest he has

What is the order of the numbers from least to greatest? A = 4.6 x 10–4 B = 2.4 x 10–3 C = 3.5 x 105 D = 6.3 x 10–4

Help with this please

Graph the inequality 7≤ y -3x < 11

Select the correct answer. Contributory negligence is a counter claim that asserts which of the following? A. The participant also played a role in the injury.

Some economists believe that permanently lower marginal income tax rates __________ the incentive to work and thus shift the __________. Question 21 options: in

Answer the question please

Find the measure of each angle in the triangle.

TRUE or FALSE: lathe closing HTML tag should be the last line of a webpage

Match the graph with its function by translating the graph of y = √x.