Leanna718
Leanna718 Leanna718
  • 02-01-2015
  • Mathematics
contestada

The expression (m-n)-(n-m) is equivalent to

a) 2m-2n
b) 2m
c) -2n
d) m-n

Respuesta :

Rodeway
Rodeway Rodeway
  • 02-01-2015
[tex](m-n)-(n-m)=m-n -(n-m)= m-n-n+m=(m+m)-n-n=2m-2n[/tex]
Answer Link
eu99li
eu99li eu99li
  • 02-01-2015

[tex](m-n)-(n-m)=m-n-n+m=2m-2n[/tex]

The answer: a)

Answer Link

Otras preguntas

I need to know how to solve this PLEASE HELP MY TEST IS COMING UP
Using a flowchart, describe why the concentration of DDT in ring seals is much higher than the concentration in the arctic cod?
How much extra concrete was ordered ?
if a atom is neutral, the the number of is equal to the number of ​
Use the drop-down menu to complete the sentence. Muslims believe that received messages from God and preached them to people in Mecca The drop down menu are
If vector u has its initial point at (-17, 4) and its terminal point at (8,-11), u= ? i + ? J. If v=14j, 2(u-v)= ? i + ? J *the question marks stand for the bla
A cart with a mass of 0.5 kg is at the top of the ramp. The height is 0.40m . A) what’s the carts GPE (Gravitational Potential Energy) at the top of the ramp?
Write sentences about the Peña family routine by putting these words in the correct order. Use capital letters, conjugate the verbs, use the correct reflexive
70 POINTS HELP QUESTION ATTACHED
Put the choices in order to answer the question: What effect did British colonization have on the Aborigines? Question 2 options: Great Britain explored Austral