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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

What are the meanings of t2g eg levels in crystal field theory?

These are exists in d-orbitals only.

"e" refers to doubly degenerate orbitals.It consists of two d-orbitals.

"t" refers to triply degenerate levels orbitals. It consists of three d-orbitals. Degenerate means having same energy. They derive from group theory.

The "g" tells you that the orbitals are gerade (german for even) - they have the same symmetry with respect to the inversion centre.

What are the first five multiples of 6 that are greater than zero?

multiples of 6 are

6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, 96, 102, 108, 114, 120, 126, 132, 138, 144, 150, 156, if you want more.... here they are162, 168, 174, & 180

What is 4 cm?

4 centimeters (4cm) is 40 mm (millimeters), which is around 2 inches.

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What is 100 square rooted?

It is ten, because if you square 100, u must find a number that can be multiplied by itself to get the square root of the number 100. Like how the square root of 36 would be 6. Because six multiplied by Itself is 36.

What are the answers to Houghton Mifflin math book grade 5?

Answers.com community answers do not provide answer keys to educational programs, whose goal is to improve the language skills of students.

Please do not ask for or provide this information.

How was zero invented?

Zero wasn't invented by a single known person called aryabtta a Indian scientist.

What is pascal law and its application?

Pascal's law (pressure exerted anywhere in a confined incompressible fluid is transmitted equally in all directions throughout the fluid such that the pressure variations (initial differences) remain the same)... and one common application would be a hydraulic lift (such as those used in garages to raise cars off the ground for inspection).

Who invented pi 3.14?

This number has been known since ancient times, although we have arrived at more accurate values lately.

Wouldn't it be interesting if, buried deep in the digits of pi, the human genome as it is now was encoded?

It would be a very strange co-incidence, but given that Pi is an irrational number....

I don't about more "accurate", because it's been calculated to decimal places far, far beyond anything that can be measured, so after quite a small number of digits it becomes meaningless.

How do you simplify a improper fraction?

You can simplify an improper fraction, unless the numbers are prime. Simplify it like how you would regularly, but don't forget that you can always turn it into a mixed number.

How much make 1 pint?

1 pint =

16 fluid ounces

2 cups

1/2 quart

1/8 gallon

What are the six kinds of fractions?

Well there are different kinds of fractions their are mixed numbers, regular fractions and improper fractions

There are 5 kinds of fraction. Proper fraction, improper fraction, mixed number, unit fraction, and equivalent fractions. An example of a proper fraction is 3/4. An example of an improper fractions is 13/12. An example of a mixed number is 1 1/4. An example of a unit fraction is 1/3. An example of equivalent fractions is 4/8=1/2.

I hope you like my answer... :)

Which first Indian mathematician calculated the value of pi?

The value of pie calculated by first Indian scientist Baudhayana

25m cm answers?

25m and cm are are not equivalent measures.

What are th 4 fundamental laws in mathematics?

The Law of 4

Laws of addition and multiplication

Commutative laws of addition and multiplication.

Associative laws of addition and multiplication.

Distributive law of multiplication over addition.

Commutative law of addition: m + n = n + m . A sum isn't changed at rearrangement of its addends.

Commutative law of multiplication: m · n = n · m . A product isn't changed at rearrangement of its factors.

Associative law of addition: ( m + n ) + k = m + ( n + k ) = m + n + k . A sum doesn't depend on grouping of its addends.

Associative law of multiplication: ( m · n ) · k = m · ( n · k ) = m · n · k . A product doesn't depend on grouping of its factors.

Distributive law of multiplication over addition: ( m + n ) · k = m · k + n · k . This law expands the rules of operations with brackets (see the previous section).