4 items are filed under this topic.
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When will the calendar be the same as 2002? |
2002-02-20 |
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From John:
When will the calendar be the same as 2002? I know the answer is 2013, but I don't know how to answer this mathematically, or if it is possible to do so. This is a ninth grade level algebra question my daughter received from her teacher. Any ideas?
Answered by Chris Fisher, Patrick Maidorn and Penny Nom. |
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The astronomers' calendar |
2000-11-29 |
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From Show_Li:
The calendar that astronomers use began on Jan. 1, 4713 B.C. on that day, the julian calendar, the lunar calendar, and roman tax system calendar all coincided. This won't happen again until 3267 A.D.
(a). How many years ago was the astronomer's calendar started?
(b). Find the number of years between times that the three calendars coincided.
Answered by Penny Nom. |
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Prime dates |
1999-03-25 |
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From Jessica Brown:
I'm asking how do you figure out all the prime numbers in a year and, whats the average amount of prime numbers per week.
Answered by Jack LeSage and Penny Nom. |
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The day of the week, July 24, 1837 |
1998-03-21 |
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From Colleen K.:
What day of the week (Mon. Tues. Wed. etc...) was July 24th, 1837?
Answered by Chris Fisher. |
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