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Nadya [2.5K]
3 years ago
13

Lin runs 4 laps around a track in 5 minutes how many minutes per lap is that

Mathematics
1 answer:
Vladimir [108]3 years ago
8 0

Answer:

1 minute and 25 seconds per lap or 1.25 minutes.

Step-by-step explanation:

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In order to use the Law of Sines, EF has to be the included side.  Therefore, we need to calculate angle F which is 72 degrees.

side f / sine (F) = side d / sine (D)
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Step-by-step explanation:

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icang [17]
The answer is:  " \frac{7}{2} " .
________________________________________________
Explanation:
________________________________________________

(1/6)  / (3/7 hr) =  x/ 1 hr ;

 → (1/6) / (3/7) = x ; 

↔  (1/6) / (3/7)  = x ; 

→  (1/6) * (7/3) = x ; 

The "3" cancels to a "1", and<span /> the "6" cancels to a "2" ; 
  
          →  { since:  " 6 ÷ 3 = 2" ; and since:  " 3 ÷ 3 = 1 "} ;
_____________________________________________________
→  And we can rewrite as:

→  (1/2) * (7/1) = (1 * 7) / (2 * 1)  = 7/2 ; 
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The answer is:  " \frac{7}{2} " .
_____________________________________________________
<u>Note</u>:  The question asks, "At this rate, what "FRACTION" of the distance...?" ; 

→  As such, we leave the answer in the "fraction" form.
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Answer:

6 to the 21st power

Step-by-step explanation:

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