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How many perfect squares are there between 20 - 30?
-10
What are not perfect squares from 1 to 31?
The only perfect squares from 1 to 31 are 1, 4, 9, 16, and 25.All of the other 26 are NOT perfect squares.2,3,5,6,7,8,10,11,12,13,14,15,17,18,19,20,21,22,23,24,26,27.28,29,30,31
Which numbers create only rectangular arrays?
All integers that are not perfect squares.
Is negative 90 squared... this is the one with the box around it... rational or irrational and are perfect squares rational or irrational?
-90 squared is rational - it is +8100. All perfect squares are not only rational but they are integers.
When you subtract one square number form another the answer is 9?
I'm not sure exactly what your question is, but the squares of 4 and 5 do have this property (and are the only perfect squares that do).
How many perfect squares are there between 20 - 30?
-10
What is the sum of all positive integers less than 100 that are squares of perfect squares?
The only squares of perfect squares in that range are 1, 16, and 81.
What are not perfect squares from 1 to 31?
The only perfect squares from 1 to 31 are 1, 4, 9, 16, and 25.All of the other 26 are NOT perfect squares.2,3,5,6,7,8,10,11,12,13,14,15,17,18,19,20,21,22,23,24,26,27.28,29,30,31
What are the perfect squares for 12913171821252930?
There is only one perfect square and, for what it is worth, it is 166,750,006,485,200,713,138,435,033,584,900
What numbers are between 3000 and 3200 that are perfect squares?
The square root of 3000 is 54.77 and the square root of 3200 is 56.57. So the only perfect squares in the required number range are 552 = 3025 and 562 = 3126.
How many numbers between 10 and 20 are perfect squares?
Only one - 16
Which numbers create only rectangular arrays?
All integers that are not perfect squares.
Is negative 90 squared... this is the one with the box around it... rational or irrational and are perfect squares rational or irrational?
-90 squared is rational - it is +8100. All perfect squares are not only rational but they are integers.
Which number from ten to twenty has an odd number of factors?
Only perfect squares can have an odd number of factors. The answer is 16. It has five factors: 1,2,4,8,16.
When you subtract one square number form another the answer is 9?
I'm not sure exactly what your question is, but the squares of 4 and 5 do have this property (and are the only perfect squares that do).
What type of number has an odd number of factors?
A perfect square has an odd number of factors. Factors of numbers always come in pairs -- except for perfect squares. Since the square root of a perfect square is listed only once on the list of factors, it results in a list with an odd number of factors.
Which perfect square is the sum of two perfect squares 25 or 36 or49 or 64?
Only 25 which is, 52 = 32 + 42 (25 = 9 + 16)
