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shayhiddinovxasan93
20.01.2020 •
Mathematics
If 1 day was 10 metric hours, 1 metric hour was 10 metric minutes, and 1 metric minute was 10 metric seconds, what time would it really be if your metric clock reads 8: 9: 2? similarly, convert 5: 56: 48 a.m. to metric time. you may assume that each new day starts at midnight.
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Ответ:
Step-by-step explanation:
A. From metric time to normal
In normal time,
1 min = 60 s
1 h = 60 min = 3600 s
1 day = 24 h = 1440 min = 86 400 s
A time of 8:9:2 corresponds to 0.892 day.
0.892 day = 0.892 × 86 400 s = 77 069 s
1. Seconds to hours
2. Seconds to minutes
So, 0.892 day = 21 h + 24 min + 29 s
In international notation, the time is 21:24:29 (about 9:24 p.m.).
B. From normal time to metric
In metric time,
1 h = 0.1 day
1 min = 0.1 h = 0.01 day
1 s = 0.1 min = 0.01 h = 0.001 day
So, the hours, minutes and seconds are tenths, hundredths, and thousandths of a day.
1. Convert the time to seconds
5:56:48 = (5 × 3600 + 56 × 60 + 48) s = (18 000 + 3360 + 48) s = 21 408 s
2. Calculate the fraction of a day
Ответ: