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Its so its easy to caculate

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Q: What is the purpose of the arrow on the number line?
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What is the purpose of a number line?

the purpose of a number line is to help math.


Where is the line of symmetry in a arrow?

The line of symmetry in an arrow is the line connecting to the > part of the arrow.


What is a line with an arrow on both ends?

A line with an arrow at both ends is simply a line.


Does the number line have a beginning?

No. However, it does have to have a beginning number. beside the beginning number, on the actual line, you would put an arrow on the end of it, because numbers are infinite in both directions.


How do you graph x is less than or equal to 5?

On the number line put a colored in circle at 5. An arrow goes to the left from that and has an arrow point on the end of it


Why do you put an arrow at the end of a number line?

The arrows at the ends of a number line indicate that the line extends forever in both directions (i.e. towards positive infinity and negative infinity)...since there is no largest or smallest real number.


Do rays have an arrow or a dot at the end?

A ray has one arrow on the right. A line segment has a dot on both sides. A line has a arrow on both sides.


What does the less than math symbol look like?

The "less than" sign in mathematics is an arrow head pointing to the left. If the arrow head is pointing to the right, it is "more than." If there is a straight line under the left pointing arrow head, it means "less than or equal to" and if there is a straight line under the right pointing arrow head, it means "greater than or equal to." Think of a number line. If you are at any number and go to the left, you are subtracting numbers. If you head to the right, you are adding numerals.


What do you call a line with an arrow on each end?

Well, darling, that's what we call a "ray". It's like a line that decided to show off and grow a pointy edge on both sides. So, next time you see a line feeling fancy with arrows, just remember it's called a ray.


Can you have a bow and arrow for archery purpose?

yes


What is a line with an arrow at one end going up?

a line with an arrow at one end going up is a right angle


Is an arrow with two ends a line segment?

No. the arrow end comprises more than one straight line segments.