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87 is the only 2-digit number that is 6 greater and 13 less than a square, but it is not prime.

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Q: You are thinking of a 2-digit odd number less than a 100 it is a prime number that is 6 more than a square number and 13 less than another square number what are you?
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Can the square of an irrational number be rational?

The answer to this question confuses me. The square root of two is an irrational number, so obviously if the square root of two is squared it becomes two which is a rational number. Thinking of it that way then the answer is yes, the square of an irrational number can be a rational number. But . . . You had to know beforehand that the irrational number was the square root of another number. If you start out with an irrational number such as Pi you cannot square it because you cannot know the entire number in order to square it.


What are facts about perfect square?

A perfect square is a rational number that is equal to the square of another rational number; 9 is a perfect square because it is a rational number that is the square of 3, another rational number.A polynomial that is the square of another polynomial is also a perfect square; x2 - 8x + 16 is a perfect square because it is the square of the polynomial x - 4.


What is the product of a counting number and itself?

That's the "square" of the number. With counting numbers, the square will always be another counting number.


How do you find the square root?

There is normally a square root button on your calculator The square root of a number is a number times itself. Most square roots are memorized, such as the square root of 16 being four. The easiest way to find a square root is using the root function on a calculator. you find the square route by thinking what times this number equals this number. For example.... the square route of 64 is 8 because 8x8 equals 64. Basically the same number times itself. Another example 12x12=144 notice the factors are the same.


When can the square of a negative number be negative?

This can never be. The square of any number will always be positive. Any positive number multiplied by another positive number will be positive, while any negative number multiplied by another negative number will be positive.

Related questions

Is a 2digit number the two digits differ by3 the numbers square root isa single digit the number has 3 as a factor?

36


Can the square of an irrational number be rational?

The answer to this question confuses me. The square root of two is an irrational number, so obviously if the square root of two is squared it becomes two which is a rational number. Thinking of it that way then the answer is yes, the square of an irrational number can be a rational number. But . . . You had to know beforehand that the irrational number was the square root of another number. If you start out with an irrational number such as Pi you cannot square it because you cannot know the entire number in order to square it.


When you subtract one square number from another square number the answer is 16 what was the first number?

when you subtract one square number with another the answer is 16 what are the two numbers


When a square number is subtracted by another square number answer 9 what is the square numbers?

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Does a square number multiplied by another always equal a square number?

=== === No === ===


A number that produce another number its square when multiplied by itself?

square root


What is A number that produces another number (its square ) when multiplied by itself?

the square root


When you subtract a square number from another square number you get 5 what are the two square numbers?

4 and 9


What is square of a rational number?

Another rational number


What is the LCM of two square numbers?

Another square number.


A number that produces another number it's square when multiplied by itself?

square root


What square number subracted by another square number is 7?

16 - 9 = 7

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