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What whole numbers be timed to make 15?
There are only two numbers that can be multiplied to make 15. These numbers are 3 and 5. This is true because 3*5 = 15
Whole numbers that divide equally into 15?
1, 3, 5, 15
How do you find the sum of all the whole numbers between any two whole numbers?
You know that sum of the first n whole numbers is n(n+1)/2. ( it is the same as the first n natural numbers since the zero does not add anything) So lets say you want the sum of all the whole numbers between 3 and 10. ( I made it easy to illustrate the idea.) The sum of the whole numbers between 0 and 3 is 3(4)/2=6 The sum of the whole numbers between 0 and 10 is 10(11)/2=55 So the sum of the whole numbers between 3 and 10 is the (sum of the whole number between 0 and 10) -(sum of whole numbers between 0 and 3) which is 55-6=49 So in general, for whole numbers m and n with m
What numbers can go into 15 and 21 and 27?
1 and 3 are the only positive whole numbers that can do all of that.
What 2 whole numbers have a sum of 15 and a product of 36?
12 and 3.
