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lions [1.4K]
2 years ago
5

Mandy is trying to subtract 7 − 12, and she has asked you for help. How would you explain the process of solving the problem to

Mandy, using a number line?
Mathematics
2 answers:
Archy [21]2 years ago
5 0

Answer:

Answer in explanation

Step-by-step explanation:

We can use a number line to explain this subtraction.

The first thing to do is to locate the number 7 on the number line. This should be located to the right of the number line.

Then, since we are subtracting, we need to count left from the position of interest. So we will count 12 integers to the left of 7.

If things are right, we would land at -5

If it was a case of addition, we will need to keep counting right from the position of origin

xz_007 [3.2K]2 years ago
3 0

Answer:

-5 am sorry Dear I ca'nt sed a pic , I didn't see the option

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Step-by-step explanation:Let the number we seek be X.

We are Given:

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2). X equals 2.4 . This is the answer for the number we seek.

Always check the answer.

This is Good Working Practice ALWAYS.

For Exams or similar remember:

Presentation (Neat & Tidy), Method & Layout (Show you understand), Accuracy.

All these count in most exams.

The first two points help greatly if your Answer is in error, but your METHOD Is CLEAR & CORECT.

Similarly, if the Check is wrong, mention this, but also, if the case, mention e.g. time ran out .. You may be credited as AWARE if your presentation and Method show you understood what to do and why.

CHECK: Substitute the answer for X into the original equation 1).

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