anonymous
  • anonymous
Medal will be awarded :) workings please - A jogger runs 10 km in 45 minutes, rests for 10 minutes, and then runs another 8 km in 1 hour. The average speed of the jogger over the entire run is A 12.41 km/h B 11.61 km/h C 10.29 km/h D 9 km/h E 9.39 km/h
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
i got A :)
anonymous
  • anonymous
see in order to find the average speed first find the total distance travelled and then divide it by the total time taken
anonymous
  • anonymous
see total distance =10+0+8=18km total time is 45mins+10mins +1hr =45/60 hr + 10/60 hr+ 1 hr =(45+10+60)/60 hr =115/60 hr hence required average speed = total distance / total time

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anonymous
  • anonymous
check if you get E
anonymous
  • anonymous
it is e :)
anonymous
  • anonymous
but if i do 18/1.97 its not exactly e its 9.13?
anonymous
  • anonymous
115/60 = 1.91666666 =1.92 appx
anonymous
  • anonymous
ohhhhh epic thanks so much heres your medal :)
anonymous
  • anonymous
yw but whether u pick me for medal its up to you...(medal isn't important to me..)
anonymous
  • anonymous
well that is very kind of you i always keep my word :)

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