Aaron rides his bike at a constant rate of 10 miles per hour. Which table represents y, the number of miles Aaron rides his bike
in x hours?
Number of hours, x Number of miles, y
0.5 10
1 10
1.5 10
2 10
2.5 10
Number of hours, x Number of miles, y
0.5 10
1 20
1.5 30
2 40
2.5 50
Number of hours, x Number of miles, y
0.5 5
1 10
1.5 15
2 20
2.5 25
Number of hours, x Number of miles, y
0.5 10.5
1 11
1.5 11.5
2 12
2.5 12.5
Number of hours, x Number of miles, y
0.5 10
1 10
1.5 10
2 10
2.5 10
Number of hours, x Number of miles, y
0.5 10
1 20
1.5 30
2 40
2.5 50
Number of hours, x Number of miles, y
0.5 5
1 10
1.5 15
2 20
2.5 25
Number of hours, x Number of miles, y
0.5 10.5
1 11
1.5 11.5
2 12
2.5 12.5
2 answers:
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Looks like you just evaluated the summand for the given value of 
, whereas the question is asking you to find the value of the sum for the first terms.
Let
. Then 
is the 
th partial sum.
happens to be the first term in the series, which is why that box is marked correct:
But the next partial sum is not correct:
and this is not the same notion as the second term (which indeed is 0.75) in the series.
Let
But the next partial sum is not correct:
and this is not the same notion as the second term (which indeed is 0.75) in the series.