SOLUTION: Show that 1.21 hr is the same as 1 hr, 12 min, 36 sec. Discuss the similarity between converting hours, minutes, and seconds to decimal hours and converting degrees, minutes, and s

Algebra ->  Trigonometry-basics -> SOLUTION: Show that 1.21 hr is the same as 1 hr, 12 min, 36 sec. Discuss the similarity between converting hours, minutes, and seconds to decimal hours and converting degrees, minutes, and s      Log On


   

Question 638284: Show that 1.21 hr is the same as 1 hr, 12 min, 36 sec. Discuss the similarity between converting hours, minutes, and seconds to decimal hours and converting degrees, minutes, and seconds to decimal degrees.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Show that 1.21 hr is the same as 1 hr, 12 min, 36 sec.
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1.21 hr = 1 hr+0.21*(60 min) = 1hr + 12.6 min
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= 1 hr 12 min + 0.6(60) sec
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= 1 hr 12 min + 36 seconds
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Cheers,
Stan H.
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