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

The height of a rocket a given number of seconds after it is released is modeled by h(t)=16t^2+32t+10. What does t represent
hawnda incorrectly found the distance between -26 and 25 by following these steps: Step 1: |25 – (-26)| Step 2: |25 – 26| Step 3: |-1| Step 4: The distance be
Mariel kept track of the color of shirts that customers bought at her store today. The following were her results at the end of the day.
Can someone please HELP ME
Need all opinions, will reward brainiest. What is the theme of this passage?
A triangle has a perimeter of 33cm. If the three sides of the triangle are n, 3n−4 3n−4 , and 3n−5 3n−5 , what is the length of each side?
Given 30+5x 15+10x What is x
Evaluate ƒ(x) when x = -10 A. 16 B. No solution C. -7 D. -24
which quantity is proportional to 5/25
Write the following as an inequality 3 is less than or equal to w and 4 is greater than or equal to w. Use w only in your inequality