What was the biggest decrease in time if the first times were 55.3 seconds 55.29seconds 55.295 seconds 55.037 and the second times were 40.38 seconds 40.402seconds 40.4seconds and 41.2 seconds

arithmetic sequence

step-by-step explanation:

given that a sequence has terms as

19, 15, 11,

this is represented on a graph

the pattern indicates that the sequence is an arithmetic sequence with i term

a=19 and common difference d =-4

any general term

thus the sequence is reduced by 4 for each successive term starting from 1 and nth term is

24-5n.

first negative term would start after 5th term

5th term =24-25< 0

from 5th term onwards the sequence would be negative.

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step-by-step explanation:

b.my answer is b.

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step-by-step explanation: