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How do you find arithmetic mean between two numbers?
Add the two numbers and divide by two, or find the number which is halfway between the two numbers.
How can I find two consecutive numbers that 118 lies between?
If you mean two consecutive odd numbers then they are 117 and 119
How many digit 9 appear between 250?
None.There are no numbers between 250. You need two numbers to have any numbers between them!None.There are no numbers between 250. You need two numbers to have any numbers between them!None.There are no numbers between 250. You need two numbers to have any numbers between them!None.There are no numbers between 250. You need two numbers to have any numbers between them!
Does the word delta mean the same thing as difference when subtracting two numbers?
"Delta" is often used to mean "the difference" between two numbers, and that is the same as subtracting. When you subtract, the answer is called the "difference."
What is an open half line?
A line which has one end, but stretches off to infinity is called a ray. If we want to show an interval such as [2,infinity) which means all the numbers between two an infinity including two, we put a close dot at two and draw a ray going to the right. Similarly for (negative infinity, 2] we draw the closed dot at 2 but this time the ray goes to the left. Now if we draw an open circle, or a the out line of a dot this mean the interval (2,infinity) where we are considering all the numbers very close to two but not two itself This is an open half line and it represents an open interval.
