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How do you add and subtract ad and bc?
You can treat the BC years like negative numbers except that you need to compensate for the fact that there is no year 0 (the year before A.D. 1 is 1 B.C.). If you add to a B.C. year and you get a number greater than -1, add 1 more to compensate for the lack of year 0. For example, to calculate what year was five years after 2 B.C., add five to negative two: -2 + 5 = 3 Since 3 is greater than -1, add 1 more: 3 + 1 = 4 So A.D. 4 is five years after 2 B.C. Likewise, when you're subtracting from a positive (AD) year and you get a number less than 1, subtract 1 more for the lack of year 0. For example, to find the last leap year BC, subtract 4 years from the first leap year AD: 4 - 4 = 0 Since 0 is less than 1, 0 - 1 = -1 So the last leap year BC was 1 BC.
What century is the year 867 BC in?
The year 867 BC, as with any year between 900 BC and 801 BC, falls in the ninth century BC.
If AD equals 55 and BC equals 8x plus 7 what is the value of x?
x = 0.125 ( BC - 7 )
If CDE equal 55 degrees then what is BDE?
I assume that points BC is a straight line and that D is the point where the line DE intersects BC. If this is so, and CDE is 55 degress, then BDE is 125 degrees.
What century is year 10 BC?
10 BC was in the first century BC.
