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How many hours is 1 hour 45 minutes?
To convert time to just hours:
45 minutes is 45 minutes * (1 hour / 60 minutes) = 45/60 hours = 0.75 hours. 45 seconds is 45 seconds * (1 hour / 3600 seconds) = 45/3600 hours = 0.0125 hours. Adding them all together we have 2 hours + 0.75 hours + 0.0125 hours = 2.7625 hours.
How many hours is 1 hour 30 minutes?
1.5 hours is therefore 1 hour and 30 minutes.
Converting Hours to Minutes and Minutes to Hours
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What is .80 of an hour?
| Minutes | Decimal Hours | Decimal Hours |
|---|---|---|
| 7 | .12 | .78 |
| 8 | .13 | .80 |
| 9 | .15 | .82 |
| 10 | .17 | .83 |
How many hours is 1 hour 10 minutes?
Explanation: To convert minutes into hours you divide by 60. Therefore, 10 minutes = 16 hr .
What decimal of 10 hours is a minute?
| Minutes | Decimal Hours |
|---|---|
| 9 | 0.150 |
| 10 | 0.167 |
| 11 | 0.183 |
| 12 | 0.200 |
How do you write 15 minutes in hours?
To convert any fraction to decimal form, we just need to divide its numerator by the denominator. In this case, if we convert 15 minutes to hours we write it as 15/60 because 1 hour = 60 minutes. This means 15 minutes can be written as 0.25 hours in the decimal form.
Why does a minute have 60 seconds?
The Babylonians made astronomical calculations in the sexagesimal (base 60) system they inherited from the Sumerians, who developed it around 2000 B.C. Although it is unknown why 60 was chosen, it is notably convenient for expressing fractions, since 60 is the smallest number divisible by the first six counting numbers …
When did the 24-hour day start?
The Canadian armed forces first started to use the 24-hour clock in late 1917. In 1920, the United States Navy was the first United States organization to adopt the system; the United States Army, however, did not officially adopt the 24-hour clock until World War II, on July 1, 1942.
How long is a minute to dogs?
Ready to take it down to the smallest timing? A minute for us is 60 seconds. This means that a dog minute is going to be 8.5 seconds.
What is .32 of an hour?
| Minutes | Tenths of an Hour | Hundredths of an Hour |
|---|---|---|
| 17 | .2 | .28 |
| 18 | .3 | .30 |
| 19 | .3 | .32 |
| 20 | .3 | .34 |
How much is $75 an hour?
| $75 An Hour | Total Income |
|---|---|
| Yearly (52 weeks) | $156,000 |
| Yearly (50 weeks) | $150,000 |
| Yearly (262 Work Days) | $157,200 |
| Monthly (175 Hours) | $13,125 |
How much is 85 dollars an hour?
| $85 An Hour | Total Income |
|---|---|
| Yearly (262 Work Days) | $178,160 |
| Monthly (175 Hours) | $14,875 |
| Weekly (40 Hours) | $3,400 |
| Daily (8 Hours) | $680 |
81 MINUTE – TIMER \u0026 ALARM – 1080p – COUNTDOWN
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What time is 5p in military time?
| Regular Time | Military Time |
|---|---|
| 3:00 p.m. | 1500 or 1500 hours |
| 4:00 p.m. | 1600 or 1600 hours |
| 5:00 p.m. | 1700 or 1700 hours |
| 6:00 p.m. | 1800 or 1800 hours |
How long is a day?
Day Length
On Earth, a solar day is around 24 hours. However, Earth’s orbit is elliptical, meaning it’s not a perfect circle. That means some solar days on Earth are a few minutes longer than 24 hours and some are a few minutes shorter.
What is the time for 24 hours?
| am/pm | 24-hour |
|---|---|
| 9pm | 21:00 |
| 10pm | 22:00 |
| 11pm | 23:00 |
| 12am | 24:00 |
How many minutes are there in the year?
Answer and Explanation: There are 525,600 minutes in a normal year and 527,040 minutes in a leap year.
How do you write 1.5 hours?
…
Very common:
- “an hour and a half”
- “one and a half hours”
- “an hour and thirty minutes”
What is 5 hours and 20 minutes as a decimal?
| Time | Hours | Minutes |
|---|---|---|
| 04:50:00 | 4.833 hrs | 290 min |
| 05:00:00 | 5 hrs | 300 min |
| 05:10:00 | 5.167 hrs | 310 min |
| 05:20:00 | 5.333 hrs | 320 min |
How long is 15minutes?
For example 15 minutes (¼ hour) equals . 25, 30 minutes (½ hour) equals .
How do you write 8 hours and 15 minutes?
- 8.00 hours – this is exactly 8 hours OR 8:00 in the hh:mm format – note colon, not a decimal point.
- 8.25 hours – this is 8 and 1/4 hours, or 8 hours and 15 minutes OR 8:15 (hh:mm again), again note the colon.
- 8.50 hours – here we have 8 and ½ hours or 8 hours and 30 minutes.
How many hours is 1 hour 15 minutes?
Convert 15 minutes into hours. Therefore, 15 minutes = 15/60 hour = ¼ hour.
Who created time?
The measurement of time began with the invention of sundials in ancient Egypt some time prior to 1500 B.C. However, the time the Egyptians measured was not the same as the time today’s clocks measure. For the Egyptians, and indeed for a further three millennia, the basic unit of time was the period of daylight.
100 Hour Timer Countdown – 100 Hrs Video – 100h Video Countdown – 100 Stunden Timer
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How long is a second?
Since 1967, the second has been defined as exactly “the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom” (at a temperature of 0 K and at mean sea level).
Why is the clock 12 hours?
The Egyptians used a 12-hour sundial to tell time during the daytime and a 12-hour water clock at night. The Romans also used a 12-hour clock. Early mechanical clocks showed all 24 hours, but over time, clockmakers found the 12-hour system simpler and cheaper.
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