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What is the number 9 used for in the real world?

Updated: 12/17/2022

Wiki User

∙ 13y ago

Best Answer

9 can be used in geometry in order to find a perfect square. 9 is also a square number witch is important when trying to calculate traingle sides by using the pythagareon therom.the square root of 9 is 3 and 9 squared is 81

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∙ 13y ago

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Is -9 a real number?

There may be some hidden agenda in this question. Why would 9 not be a real number?

Is the square root of -9 a rational irrational or not a real number?

It is not a real number.

What is a number added to 9 in math?

Any number, real or imaginary, can be the sum of another number plus 9.

What is the REAL roman numeral for 9?

The roman numeral for number 9 is: IX

What is mindles behaviors real number?

It's 9.

Related questions

Is -9 a real number?

There may be some hidden agenda in this question. Why would 9 not be a real number?

What is digit in real number?

Digit is not a real number unless it is 0-9

Is the square root of -9 a rational irrational or not a real number?

It is not a real number.

What is the real real number please tell you?

0 to 9 are the real numbers.

What are the release dates for The Real World - 1992 New Orleans Episode 9 9-9?

The Real World - 1992 New Orleans Episode 9 9-9 was released on: USA: 2000

What is the product of 9 negative real number?

The product of nine negative real numbers is a negative real number.

Is the square root of 81 a real number?

Yes. It's 9. The square root of every positive real number is a real number.

What are the release dates for The Real World - 1992 Chicago Episode 9 11-9?

The Real World - 1992 Chicago Episode 9 11-9 was released on: USA: 2002

What is a number added to 9 in math?

Any number, real or imaginary, can be the sum of another number plus 9.

Can you give me some real world connections with the number 15?

one is that about moslty 15 pepole cam e out of 9 11

What number is Cristiano Ronaldo in real Madrid?

Christiano Ronaldo wears jersey number 9.

What are the release dates for The Real World - 1992 Hawaii Episode 9 8-9?

The Real World - 1992 Hawaii Episode 9 8-9 was released on: USA: 3 August 1999

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