ndr7onyaprmelison ndr7onyaprmelison

13-11-2016
Mathematics

contestada

Which ordered pair is the solution to the system of equations?

x+y=4
x-y=-6

A.
(2, 2)

B.
(1, −7)

C.
(−1, 5)

D.
(−2, 4)

Respuesta :

texaschic101 texaschic101

13-11-2016

x + y = 4
x - y = -6
--------------add
2x = -2
x = -2/2
x = -1

x + y = 4
-1 + y = 4
y = 4 + 1
y = 5

solution is : (-1,5)

Answer Link

Otras preguntas

How does having skill-related fitness help you perform successfully in your everyday activities, at school and at home

A jar of mixed nuts is a ________ mixture

Symbols abbreviations,punctuation,and notations in icd-9-cm are termed a grammar checks b edits c conventions d guidelines

When lee and Andy meet just before the exam she says so you know describe three details in fox hunt that explain what she means by this remark

What do individual shareholders gain when they buy shares of a company’s stock?

The shoe store has a mark up rate 75% and is selling a pair of shoes for $133 find the price the store paid for the shoes

People in the Democratic Republic of Congo (shown in green) would be MOST affected by which of these? A) tsunamis B) earthquakes C) desert conditions D) rain

A 10.0 kg cart and a 15 kg cart are locked together with a compressed spring between them. They are then released so that the spring pushes the two carts apart.

How do spiders make webs?

Fine sand particles are placed on a on a paper plate and the plate is set on top of a stereo speaker. The stereo is turned on and the music is played very loudl