crisfusecrawalla crisfusecrawalla

02-03-2017
Mathematics

contestada

X - Y = 11
2x + Y = 19

where do the lines cross

Respuesta :

wolf1728 wolf1728

02-03-2017

Just solve the equations:
A) X - Y = 11
B) 2x + Y = 19
Multiply A) by -2

A) -2X +2Y = -22 then add to B)
B) 2x + Y = 19
3Y = -3
Y=-1

A) X - -1 = 11
x = 10

Answer Link

Otras preguntas

Read the passage. Then answer the questions that follow. CAESAR. The gods do this in shame of cowardice. Caesar should be a beast without a heart If he should s

Which of the following inverse functions are defined for x=-1/2? Select all that apply. (select 4) A. [tex]y=cos^{-1} x[/tex] B. [tex]y=cot^{-1} x[/tex] C. [tex

I prefer familiarity and routine at work to novelty and variety. Agree, Mostly Agree, Somewhat Agree, Slightly Agree, or Not at all true. For a restaurant.

4 less than 6x, cubed

How many 25 milliliter doses of plant food can Tim get from a 1-liter bottle of plant food?

What is the period (time) that corresponds to oscillatory motion with a frequency of 23.4 Hz when the speed of light is 3.0×10^8 m/s.

. Find the height of a triangle whose base is 50 cm and whose area is 500 cm².

Please Help Fast!!! I need this answer super fast. PLEASE HURRY!!!!!!

1. What is a polygon? 2. What makes a polygon a regular polygon?

What evidence from to build a fire might lead you to this sentence