kyliemo2003 kyliemo2003

01-02-2017
Mathematics

contestada

Solve the system of equations.
2x-y=5
3x+2y=4

A.) (3,1)
B.) (0,2)
C.) (2,-1)
D.) (9/7,17/7)

Respuesta :

Jedimaster13 Jedimaster13

01-02-2017

2x - y = 5 also equals 4x - 2y = 10

4x-2y=10
+3x+2y=4
7x = 14
x = 2

2(2) - y = 5
-y = 1
y = -1

so, B. (2,-1)

Answer Link

Otras preguntas

The pilgrims are traveling to canterbury because

The gravedigger helps to reinforce the theme of ____ in Hamlet. A. Comedy B. Morality C. Mortality D. Insanity

Which statement about the economic development of the Swahili coast in SE Africa after 1000 CE is correct? a. Cities on the coast traded with Arabs, Asians, an

a fountain in a pond has a pump that recirculates 75 gallons of water in 1/4 of an hour.express this rate as a unit rate in gallons per hour

An item is regularly priced at $50 . It is on sale for 60% off the regular price. How much (in dollars) is discounted from the regular price?

Which of the following statements is the best definition of weather? Weather is the current conditions in the atmosphere. Weather is the usual conditions in t

The length of a rectangle is 22 cm and the width is 4 cm a similar rectangle has a width of 6 cm what is the perimeter of the second rectangle

Question 7 please help this is pass due date and I have no clue what to do! Please explain and show your work!!! I need this soo bad and it is my only assignme

To move one screen to the left press ____.

Christy bought an 8-foot piece of lumber to trim a bookshelf. Altogether, she needs 100 inches of lumber for the trim. Did Christy buy enough lumber? Explain.