Mathematics, 15.11.2019 20:31 tae8002001
Mark records his science scores in each monthly assessment over a period of 5 months. in the first assessment he scores 76%. in the second assessment he scores 73%. after that, his scores keep increasing by 2% in every assessment. assume that x represents the number of assessments since he starts recording and y represents the scores in each assessment. which of the following describes the situation? a. a relation only b. neither a function nor a relation c. a function only d. both a relation and a function
Answers: 1
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An annual marathon covers a route that has a distance of approximately 26 miles. winning times for this marathon are all over 2 hours. the following data are the minutes over 2 hours for the winning male runners over two periods of 20 years each. earlier period 14 12 15 22 13 10 19 13 9 14 20 18 16 20 23 12 18 17 6 13 recent period 7 11 7 14 8 9 11 14 8 7 9 8 7 9 9 9 9 8 10 8 (a) make a stem-and-leaf display for the minutes over 2 hours of the winning times for the earlier period. use two lines per stem. (use the tens digit as the stem and the ones digit as the leaf. enter none in any unused answer blanks. for more details, view how to split a stem.) minutes beyond 2 hours earlier period 0 1 2 (b) make a stem-and-leaf display for the minutes over 2 hours of the winning times for the recent period. use two lines per stem. (use the tens digit as the stem and the ones digit as the leaf. enter none in any unused answer blanks.) minutes beyond 2 hours recent period (c) compare the two distributions. how many times under 15 minutes are in each distribution
Answers: 2
Mark records his science scores in each monthly assessment over a period of 5 months. in the first a...
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