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Mathematicians

Often, to completely understand the importance of a mathematical theory, it's essential to know about the person who developed it. This category is where all questions about historically significant mathematicians should be asked.

6,570 Questions

Can you construct a polyhedron that violates the Euler characteristic?

When we apply Euler's rule to polyedra, we generally term it the Euler characteristic. We'll find that every polyhedron will follow the rule. That rule is V - E + F= 2, where V = number of vertices, E = number of edges, and F = number of faces. The formula can appear in different forms, as you might guess, and just one is E + F - 2 = V. That said, no, it is not possible to construct a polyhedron that violates the Euler characteristic.

How many km are in 7400000 cm?

7,400,000cm = 74,000m

74,000m = 74km

therefore there are 74km in 7.4million cm

What did Emmy noether contribute to math?

The Noether Theorem is normally quoted to derive the Law of Conservation of Energy.

It is some very advanced math, but it basically states that for every law of symmetry in nature, there is a corresponding conservation law. For example:

  • The fact that the laws of nature are the same at different times is related with the Law of Conservation of Energy (either one can be derived from the other, I believe).
  • The fact that the laws of nature are the same in different places is related with the Law of Conservation of Momentum.
  • The fact that the laws of nature are the same in different orientations is related with the Law of Conservation of Rotational Momentum.

How was nicolaus Copernicus discovery proved?

His suggestion was that the Sun is at the centre of the solar system. It was proved in the 18th century after Isaac Newton's laws of motion and the law of gravity were applied to demonstrate that the Sun is far more massive than all the planets.

When was Euclid's Nightmare created?

Euclid's Nightmare was created on 1997-03-02.

How can both the numerator and the denominator of a fraction increase and yet the fraction remains the same amount?

The important thing in a fraction is the relationship between the numerator and the denominator. Say there are four bran muffins on the table and you grab three of them. You have 3/4 of the total number of muffins. Now cut each muffin in half. You have six pieces and there are two on the table. You have 6/8 of the total of muffin pieces. The amount of muffin overall hasn't changed, nor has the amount you have.

How much sleep does someone get in 180 days if they only sleep 7 hours a day?

180 days × 7 hours/day = 1260 hours

24 hours = 1 day

→ 1260 hours = 1260 ÷ 24 days = 52 ½ days.

How has Nicolas Copernicus discovery benefited society?

it helped all sorts of things from astronauts nasa and other astronomers find out more about the universe.and now that we know that the sun is the center we can proceed in figuring out the solar system.

What is the answer to k-2?

k-2 is an expression, not an equation nor an inequality. It is, therefore, not something that can be "solved". Also, since k is not known, it does not have any answer.

Is 200m larger than 20000mm?

Yes 200m is larger than 20000mm. 1m=1000mm therfore 20000mm=20m.

Determine whether the Mean Value Theorem can be applied Then find all values of c that satisfy the theorem y equals 2 cos x plus cox 2x on 0 to π?

The mean value theorem can be applied to all continuous functions (or expressions), and so it is applicable here.

There is no equation in te question and furthermore, no c (other than the first letter of cos in the expression so there are no values for c to satisfy anything!

Who created taxi cab geometry?

it was first proposed in the early 20th century by man named Herman Minkowski.