jacque89 jacque89

09-02-2018
Mathematics

contestada

What are the coordinates (x, y) at which the graphs of 2x + 3y = 12 and 2x - y = 4 intersect?

Respuesta :

choixongdong choixongdong

09-02-2018

2x + 3y = 12
2x - y = 4 so y = 2x - 4

substitute y = 2x - 4 into 2x + 3y = 12

2x + 3y = 12
2x + 3(2x - 4)= 12
2x + 6x - 12 = 12
8x = 24
x = 3
y = 2x - 4 = 2(3) - 4 = 2

(3,2)

answer
the coordinates (3,2)

Answer Link

Otras preguntas

Which equation represents a neutralization reaction?a. LiOH(aq) + HBr(aq) ->LiBr(aq) + H20(1)b. 2HCl(aq) + Zn(s) -> ZnCl2(aq) + H2(g)c. H2CO3(0) --> H2

This is what Neil Armstrong said when he took his first steps on the surface of the moon. What did Armstrong mean?

which of the following is the most likely result of converting farmland to urban development?

35.6 mL of an HBr solution were titrated with 18.2 mL of a 0.115 M NaOH solution to reach the equivalence point. What is is the Molarity of the HBr solution

if you have x divided by 5/12 equals 3/8 what is x

Which statement describes an ionic bond? A. Electrons transition from an inner shell to a valence shell. B. Electrons are mobile within a metal. C. Electr

y=3-2/3x into slope intercept form

The body of land that serves as a major pathway between africa and asia throughout prehistoric times and recorded history is the A Iberian peninsula B Arabian

. A fair coin and then a die with 6 sides are tosses find the probabilities of the six events occurring respectively a. P(Tails) b. P(3) c. P(tails and 3) d. P(

Why does the Supreme Court tend to avoid invalidating laws?The Supreme Court cannot invalidate laws; only the President has this power.Invalidating laws upsets