StormRider6379 StormRider6379

01-05-2017
Mathematics

contestada

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

y=3x+1

y=5x-3

A.(0,1)

B.(2,3)

C.(2,7)

D.(1,2)

Respuesta :

Kmieteczka Kmieteczka

01-05-2017

{y=3x+1 |*5
{y=5x-3 |*(-3)

{5y=15x+5
{-3y=-15x+9
+___________
2y=14

{y=7
{7=3x+1

{3x=6
{y=7

{x=2
{y=7

The answer: C

:)

Answer Link

Otras preguntas

Why did Athena like Odysseus so much?

Which statement correctly describes an endothermic chemical reaction? (1) The products have higher potential energy than the reactants,and the ΔH is negative.(2

Aaron is solving the equation x2 – x = –2 with the quadratic formula. What values should he use for a, b, and c? a = 1, b = –1, c = –2 a = –1, b = 1, c = –2 a =

Given the equation representing a reversible reaction:NH3(g) + H2O(l) <=> NH4+(aq) + OH-(aq)According to one acid-base theory, the reactant that donates a

Which formula represents a nonpolar molecule? (1) HCl (3) NH3 (2) H2O (4) CH4

what is 4k+44=10k-10

What is the reciprocal of the number -3/5 ?

find the eccentricity of the ellipse 4x^2 +16y^2 +32x-32y+16=0

Which sentence uses the past participle form of the verb grow? A. The woman is growing her mums near the front door. B. The woman grew her mums near the front

Rome fell in the year 476 to.a German tribe named