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What number is halfway between 0 and 20?
20
What is the halfway point between -15 and plus 20?
Well the way I look at it is... find the total distance between the two numbers and divide by 2. so... -15 is 15 away from 0, and 20 is 20 away from 0. I then add 15 and 20 together to get 35. I take 35 and divide by 2 to get 17.5. From here you can either add 17.5 to -15 or subtract 17.5 from 20. The answer is 2.5 Another way to look at this is with a line so... each period is equal to 1 number, the 0 in the line is the number 0 -15..............0...................20 You can see that the distance is greater on the right side because 20 is farther away from 0 than -15 is. You have to find the total distance between the -15 and 20 and divide by 0.
What numbers can go into 345?
If you mean factors 5,1,69,345 if your talking logic any number between 0-345
How many integers between 0 and 20?
There are 21 integers between 0 and 20, inclusive. This is because when counting the integers between two numbers, you need to include both endpoints in the count. So, in this case, you would include 0 and 20 in the count, resulting in a total of 21 integers.
How many prime numbers are there between zero and 20?
Remember 1 is not a prime number because it is only divisible by itself. 2, 3, 5, 7, 11, 13, 17, 19 These are the prime numbers between 0 and 20. In short, there are 9 prime numbers between 0 and 20.
