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Math History
Far more interesting than one might first expect, the history of mathematics is filled with bitter rivalries, political machinations, and incredible innovations by some of the most amazing minds in history. Post all questions concerning individual mathematicians, the development of mathematical theories, and the sociological impact that resulted into this category.
3,988 Questions
actually 2n-3 is not an equation so there's no answer but if you will make into an equation it becomes 2n-3=o finding the value of n,2n-3=0,2n=3,n=3/2
What are at least three of the key ingredients for a successful family math program?
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this is what i got your turn
A shape with 8 sides but the angles and corners are not the same?
A shape with eight sides is always an octagon.
If all angles and sides are equal, it is called a regular octagon.
Where was the pi invented and who invented it?
Pi is a mathematic constant that was moreso "discovered" than it was "invented."
Pi before π
As early as Babylonian times, people have been aware that the circumference of a circle (the distance around) was a little over 3 times its diameter (the distance across). Ancient calculations of π were within 1% of its value as we know it today. Some of the most notable:
- Babylon - 25/8, which made calculations within 0.5% of their actual measurement
- Egypt - 256/81 (3.160), the oldest written text referencing what we would someday call 'pi'
- India - 339/108,
Archimedes is credited as the first to try evaluating pi in depth by inscribing circles in a series of polygons and arriving at an average value for π of 3.14185.
Evaluating π In-Depth
Mathematicians have tried to prove and refine the value for pi over the following centuries. In 1400, Madhava of Sangamagrama was able to acurately estimate pi to 11 places. In 1424 Persian Jamshīd al-Kāshī estimated it to 16 places. Over the years, numerous others, including Sir Isaac Newton, have contributed to the development of pi.
π as We Know It
In 1706, William Jones named the constant pi/π after an abbreviation for the Greek "Perimeter," and in 1882 von Lindemann finally proved π was a transcendental number (meaning without end).
What is the cube root of 9261 with solution?
203 = 8000, so the first digit is 2, and the second digit must be 1 (because only 13 =1).
So the cube root of 9261 is 21.
There are 1.219199 meters in 4 feet. 4 feet x 1 meter/3.2808399 feet = 1.219199 meters 1 meter = 3.2808399 feet
How do you calculate the area of the square?
The formula for the area of the square is length multiplied by width.
9,999,999,999,999,
999,999,999,999,999,999,999,999,999,999,
999,999,999,999999,999,999,999,999,999,
999,999,999,999,999,999,999,999,999,999
It is (10^103) minus 1 i.e. ten to the one hundred third power minus one.
It is 1 less than 1,000 googols (1000 x 10^100)
The full description of the number consisting of 103 9's begins with "nine tretrigintillion, nine hundred ninety-nine duotrigintillion,...(and ends with)...nine hundred ninety-nine thousand, nine hundred ninety-nine."
