Four different objects are placed on a number line at 0. The chart describes the motion of each object.

Using the information in the chart, the distance and displacement of each object can be determined. Which object has a distance that is three times as great as its displacement?

b.   e = 7.5h

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perimeter = 10 +  √10  units

explanation:

first, we will need to get the length of each line using the distance formula which is as follows:

distance = 

1- length of ab:

ab =   = 5 units

2- length of ac

length of ac is the same as ab = 5 units

3- length of bc:

bc =   =  √10  units

now, we can get the perimeter by adding the side lengths as follows:

perimeter = 5 + 5 +  √10

perimeter = 10 +  √10  units

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