maddyw38521 maddyw38521
  • 03-11-2017
  • Mathematics
contestada

Find the 2 numbers whose sum is 51 and whose difference is 13

Respuesta :

Аноним Аноним
  • 05-11-2017
2 #'s whose sum is 51: x + y = 51
2 #'s whose difference is 13: x - y = 13

add the 2 equations: 2x = 64 ⇒ x = 32
using either equation find y: 32 + y = 51 ⇒ y = 19
Answer the 2 #'s are 32 and 19
Answer Link

Otras preguntas

What country today contains the land that was called Persia
A cell begins to send out incorrect chemical signals to neighboring cells. During which phase of the cell cycle did the cause of the change most likely happen?
11 billion in scientific notation
Write an algebraic expression for the phrase:six times a length w
According to astronomers, what is a "light year"
According to the Declaration of Independence, where does a government’s power come from?
solve each system of linear equations by substitution you will get an x, y point for solution show steps y = x - 4 2x + y = 5 next set is x
8 less than the product of 5 week
order least to greatest 100% 1/100 0.001% 1/10 0.001 1.1 10 10,000/100
why is 743 a prime number