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Which numbers are square numbers?
Any numbers that can be written as the product of some number with itself e.g.: 1 = 1*1 4 = 2*2 9 = 3*3 16 = 4*4 100 = 10 * 10 There are an infinite number of square numbers so you can't expect a comprehensive list.
If the sum of two numbers is 6 and there difference is -2 what are the two numbers?
Let numbers be x and y. Then, x + y = 6 x - y = -2 add up both equations 2x + y - y = 6 + (-2) 2x = 4 divide by 2 to both sides x = 2 Since the sum of the numbers is 6 and one of the numbers is 2, then the other number is 4 (6 - 2). Check: 2 + 4 = 6 2 - 4 = -2
Perfect numbers between 20 and 30?
There are no perfect numbers between 20 and 30. Perfect numbers are numbers that are equal to the sum of their proper divisors, excluding the number itself. The perfect numbers within this range would be 28, but that is incorrect as 28 is not a perfect number.
How would you regroup 4 tens to find the difference between 341 and 228?
To regroup 4 tens in 341, change it to 3 hundreds and 14 tens. Then, subtract 2 hundreds and 2 tens from 3 hundreds and 14 tens to get the difference. The difference between 341 and 228 is 113.
What is the following number to this sequence 2 5 5 4 5 6 3 7?
The next number in the sequence is 6. The sequence alternates between adding 3 and subtracting 1 from the previous number.
