Mathematics, 30.06.2021 23:00 sharmadaman641
A running coach records the times in seconds of young athletes running 400m, after recording the times, he calculated the average time was 57.3s.
Later he discovered that a time of 65s should have been recorded as 56s. The revised average time was 55.8 seconds.
How many athletes took part?
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 16:40
This question awards 100 ! i really don’t want to fail i will also mark you !
Answers: 2
Mathematics, 21.06.2019 19:40
Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y
Answers: 2
Mathematics, 21.06.2019 21:20
Find the missing variable for a parallelogram: a = latex: 28in^2 28 i n 2 h = b = 6.3 in (1in=2.54cm)
Answers: 3
Mathematics, 21.06.2019 22:00
Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false
Answers: 1
You know the right answer?
A running coach records the times in seconds of young athletes running 400m, after recording the tim...
Questions
Chemistry, 10.11.2020 01:30
Social Studies, 10.11.2020 01:30
Computers and Technology, 10.11.2020 01:30
Mathematics, 10.11.2020 01:30
Mathematics, 10.11.2020 01:30
Social Studies, 10.11.2020 01:30
History, 10.11.2020 01:30
Arts, 10.11.2020 01:30
Biology, 10.11.2020 01:30
English, 10.11.2020 01:30
History, 10.11.2020 01:40
Mathematics, 10.11.2020 01:40
