243,777 views
4 votes
4 votes
Which equation correctly represents the distance between −15.1 and −3.9 on a number line?

|−15.2+(−3.9)|=19
−15.1−3.9=−19
−3.9−15.1=−11.2
|−3.9−(−15.1)|=11.2 help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee∵∵∵∵

User Nathangrad
by
2.8k points

2 Answers

18 votes
18 votes

Answer:

|-3.9-(-15.1)|=11.2

Explanation:

the last one is the answer

User Hillcow
by
2.8k points
10 votes
10 votes

Lets check one by one

#1

  • |-15.1+(-3.9)|
  • |-15.1-3.9|
  • |-19|
  • 19

Wrong

#2

  • -15.1-3.9=-19

Wrong

#3

  • -3.9-15.1=-11.2

Still wrong

#4

  • |-3.9-(-15.1)|
  • |-3.9+15.1|
  • |-11.2|
  • 11.2

Distance must be positive so it's correct

User Peenut
by
2.5k points