9. A toy train moves along a straight portion of track. After two seconds of traveling at constant velocity in the positive direction, its position is 4.0 cm. After three additional seconds of traveling at
a different constant velocity in the positive direction, its position is 5.0 cm. It travels an additional 5
seconds at yet a different constant velocity in the positive direction, its position is 10. cm. Which
time interval of the journey had the greater velocity? Justify your answer with calculations based on
the data from your graph.
10
9
8
7
6
5
4
3
2
1
0
0 1 2 3 4 5 6 7 8 9 10

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

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step-by-step explanation:

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b

step-by-step explanation:

step-by-step explanation:

points a and b are equidistant from the desired line, so the line you find by using them will go through point r.

using points other than a and b will give the desired line only if they are equidistant from r. if they are randomly located, the perpendicular line you create will not necessarily go through point r, hence will not be a solution to the problem.