30-10-2017
Mathematics

contestada

Solve by substitution. Check
X+y=8
Y=x-2

Respuesta :

gormanmtoym02a gormanmtoym02a

30-10-2017

x + y = 8
Replace y as y = y Insert x back into the original
x + x - 2 = 8 5 + y = 8
2x - 2 = 8 - 5 - 5
+ 2 + 2 y = 3
2x = 10 (5, 3)
--- ---
2 2
x = 5

Answer Link

Otras preguntas

Assuming the volumes are additive, what is the [Cl−] in a solution obtained by mixing 297 mL of 0.675 M KCl and 664 mL of 0.338 M MgCl2?

What fraction of an hour is 50 minutes? Give your answer in its simplest form.

it was economically necessary for east germany to build the berlin wall because millions of east germans, many who were trained workers and professionals, were

All of the following are ethical sources of data for external analysis EXCEPT: a. trade shows. b. a competitor's help-wanted advertisements. c. a competitor's c

How is n1 in the Rydberg equation related to the quantum number n in the Bohr model of the atom?

The sum of the square of a positive number and the square of 3 more than the number is 89. What is the number?

A candy jar contains 200 pieces of candy Each of which is either red white or blue there are 50 red pieces and 40 white pieces if B represents the number of blu

Lucia's back hurts! She figured out that the books in her backpack are 5 times heavier than the backpack itself. By what percent heavier is the backpack with th

In the partition coefficient experiment 4A this week, after thorough mixing of the reagents, phase separation will occur. The top layer is the _______ layer, an

Consider a simple economy producing 2 goods: coffee and TVs. In 2014 the economy produced 2000 pounds of coffee and 10 TVs. In 2015 the economy produced 1000 po

ACCESS MORE EDU ACCESS