fry93532 fry93532

21-12-2017
Mathematics

contestada

find the value of two numbers if their sum is 12 and thier difference is 4

Respuesta :

21-12-2017

x + y = 12
x - y = 4
(12 - 4) : 2 = 4
4 + 4 = 8

x = 8
y = 4
-----------------------
8 + 4 = 12
8 - 4 = 4

Answer Link

Otras preguntas

At low temperatures and high pressures ethene gas C2H4(g), does not behave like an ideal gas. Use chemical principles to explain why this is?

What are the characteristics of supernovae? release of matter and energy provide new material for future solar systems move on to form a black hole or neutron

The election of 1828 was a pivotal year for politics. Why was this election significant for the rise of political parties?

Examine the boxes below. Both boxes are identical to one another. The mass of each box is concentrated in the very center, so the center of mass is in the middl

Which graph represents this system? y = 3 X+ y = 4 18 6 6 5 2 23 4 5 6 1 g 92 Mark this and return

22. He stood awkwardly before her, only those things which he could honorably mention. He said nothing of T.J.'s cheating or that Christopher-John, Little Man,

plz answer i will mark brainliest if you guys get it right

find the equation of the line passing through point (3,5) and with slope = 1/3 a) y=1/3x+4 b) y=-1/3x+4 c) y=3x-5 d) y=1/3x+5

the Sahara border what two bodies of water on the east and west

how do stars generate energy??