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

find the prime factorization 504

where are the three parts of an atom located

A pet store currently has a total of 45 cats and dogs. There are 7 more cats than dogs. Find the number of cats and dogs in the store. Write and solve a system

What statement best describes a republic?

Can someone explain the equation Q = M C delta T or Q = MCΔT Thanks!

Susan ........ (Run) to school because she was late.

COMPARISON; 1. How is concrete like chocolate 2. How is a shirt like a picture 3. how is an elephant like a cloud

Which of the following is the modern counterpart of the journal and diary? a. A magazine article b. A blog c. A speech d. A newspaper article

the volume of a rectangle prism with square bases is 5880 cubic inches. it has a height of 30 inches. find the side length of the square base.

Please help with Algebra 1