anonymous
  • anonymous
Devon's target heart rate zone is 140bpm—177bpm. Julian's target heart rate zone is 148bpm—181bpm. They stop running and take their pulse, and both count the heart rate at 173bpm. If they decrease their heart rates by 20bpm, who will be in his THR zone? Both Devon and Julian Neither Devon nor Julian Devon only Julian only
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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triciaal
  • triciaal
what is 173 - 20? where is this on each scale ?
anonymous
  • anonymous
I really have no idea..
triciaal
  • triciaal
no idea what is 173 - 20? no idea how to place numbers on a number line? or no idea how to try?

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More answers

triciaal
  • triciaal
|dw:1440527725008:dw|
anonymous
  • anonymous
No idea how to try lol. That's why I posted it on here, because I have no idea.
triciaal
  • triciaal
|dw:1440527821813:dw|
anonymous
  • anonymous
So both?
triciaal
  • triciaal
I thought you posted the question because you had no idea and needed help. Apparently you did not read my response . review the thread. I told you how to do it and your response was I have no idea.
triciaal
  • triciaal
do you understand more now from the diagram?
triciaal
  • triciaal
this is just a sketch to "see" what is going on
anonymous
  • anonymous
I'm lost as to your response to "I have no idea". Forgetting that, yes I do understand. Thank you.
triciaal
  • triciaal
now if you subtract 20 from 173 where will the result lie ?
anonymous
  • anonymous
153
triciaal
  • triciaal
now look at the "number line" and put in 153 (reply by clicking on the pencil above)
anonymous
  • anonymous
|dw:1440528370151:dw|
triciaal
  • triciaal
put 153 in its place on the line
triciaal
  • triciaal
on each line Devon's and Julian's
anonymous
  • anonymous
I got the right answer. I understand haha. 153 is in the range, so it would be both Devon and Julian.
triciaal
  • triciaal
yes I walked you through it
anonymous
  • anonymous
Can you help me with another?
anonymous
  • anonymous
Tammy is using a treadmill, and when she puts her hands on the bar, sensors read her heart rate. Today, the sensors are telling Tammy that she is reaching 183, which is the highest rate in her target zone. What should she do to get the most effective workout? Increase her running speed without adjusting the incline Use the machine to maintain or decrease her intensity Do additional aerobic exercises immediately after the treadmill Use the machine to increase the incline and intensity
triciaal
  • triciaal
she is reaching the highest rate in her target zone ---- I don't workout I think she should use the machine to maintain or decrease her intensity keep her hands on the bars to control limit
anonymous
  • anonymous
are you sure..? I hope so.. I tried A and D and they were incorrect.
triciaal
  • triciaal
if you read again my choice was B
anonymous
  • anonymous
B was correct.

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