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Why does the clock use twelve hours?
Since there are two periods of time, a.m. and p.m. , 24 hours (the time in a day) needs to be split in two. 24 split in two is obviously 12.That is why there is twelve hours on a clock.
Why would a system of measurement using 60 instead of base 10 have been used in ancient systems of measurement?
Many ancient cultures had not invented fractions in their number system. The number 60 was chosen because it have many factors. We use relics of it today when reading the time. 60 seconds to a minute, 60 minutes to an hour.
Was this number system advance for that time compared to other number systems?
well.... if you had more then one number system and we dont use them, then the one we use is better because we use it, other wise we would use a different system. hope this helped :)
How a number line and a time line similar mathematically?
They both use numbers.
How do you draw a time line to scale?
You can try to use the graph paper, or you can also use your ruler and mark the time. two examples is this: One centimeter is ten minutes, and six centimeters is a minute. One box on the graph paper is a month, and twelve boxes on graph paper is a year. Hope this helps.
