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Which number line correctly shows 4. 5 + 2. 5? A number line going from 0 to 4. 5 in increments of 0. 5. An arrow goes from 0 to 4. 5 and then backwards from 4. 5 to 2. A number line going from negative 4. 5 to 0 in increments of 0. 5. An arrow goes from negative 4. 5 to negative 2 and then backwards from 0 to negative 4. 5. A number line going from negative 2. 5 to positive 4. 5 in increments of 0. 5. An arrow goes from negative 2. 5 to 0 and also from 0 to 4. 5. A number line going from negative 4. 5 to positive 2. 5 in increments of 0. 5. An arrow goes from 2. 5 to 0 and from 0 to negative 4. 5.

Sagot :

Facundo3141592idn

So none of the options is actually correct from the given operation of:

4.5 + 2.5

This actually would be represented with a line that goes from 0 to 4.5, and then from 4.5 to 7.

The number line should start at 0 and then move to the first number (because of the commutative property of the sum, it can move to any one of the two numbers).

Once there, it moves accordingly to the other number.

So it moves first from 0 to 4.5, then the second number is 2.5, then it moves another 2.5 units to the right until the:

4.5 + 2.5 = 7

Concluding, it moves from 0 to 4.5, then from 4.5 to 7.

Notice that none of the options represent this, this may be because the sign of one of the two numbers is incorrect or something like that.

For example, if we had the operation:

4.5 - 2.5

Then the line starts at 0 and then goes to 4.5, then moves left 2.5 units to 4.5 - 2.5 = 2

In this case, the correct option should be:

"An arrow goes from 0 to 4. 5 and then backwards from 4. 5 to 2."

If you want to learn more about number lines, you can read:

https://brainly.com/question/13189025

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