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

Why isn’t a state change from liquid to solid a chemical reaction?
what would happen if you changed a single nitrogen base in one gene of the alien's DNA
does anyone believe in magic and/or miracles?
Select the correct answer. What is the value of x?
Why doesn't Brother Khoi want to leave Vietnam? He has a baby chick that he hatched, and he wants to protect it. He thinks that Father will think that they are
please please help i will mark you brainlist
Read the question carefully and select the best an Which of these statements about Don Quixote is most strongly supported by the text? ninhthood than he is abou
Can you send me a paragraph about tips to keep your blood healthy And thanks
Which has a greater value 3/10 or 13/20
what is a complete democracy called in Nepal? why os it called so​