dinodan dinodan

03-11-2016
Mathematics

contestada

Solve the system using elimination

x + 2y = 1
4x + y = 11

Respuesta :

03-11-2016

x + 2y = 1 ______×1
4x + y = 11 _____ ×2

x + 2y = 1
8x + 2y = 22

8x + 2y = 22
(-)
x + 2y = 1
_____________
7x = 21

x = 3

3 + 2y = 1
2y = 2
y = 1

i am a mathematics teacher. if anything to ask please pm me

Answer Link

Otras preguntas

According to the map, how did trade impact the Roman Empire? i need help.

Math-Convert the following units.Write your answer on a separate sheet of ppaper1.230.000 sq cm=_____sq m2.400 000 sq cm= ____ sq m3.60 000 sq cm= ____ sq m4.15

Rotate shape A 90° anti-clockwise with centre of rotation (0,0). What are the coordinates of the vertices of the image?

According to the map, how did trade impact the Roman Empire? i need help.

How can you best describe a stop sign using polygons? the sign has sides, so it is . it appears to be because the sides and angles appear to be congruent.

Can someone please help me? :( I’ll give brainliest!!

The earliest systems of writing in the city-states arose from _____________ A) a need to keep records B) a desire to preserve folklore C) a wish to record hist

There are few differences in Florida plants as fall arrives. What differences might you see in the seeds of Florida plants? A The seeds are dormant. B The seeds

Complete the square to write the equation, 4x2 24x – y 43 = 0, in standard form. y = (x )2

What role(s) do the lions play in the lion king?