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Q: Decide whether the sum will be positive or negative without actually calculating the sum -4+-12?

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the answer is a positive because two negative or two positive is always positive.

The sum of two positive numbers is always positive.

the answer could be negative or positive depending on whether the negative number you're adding is bigger than the positive number

It's certainly a negative direction. Whether the result is actually a negative value depends on the original numbers. For example (+4) - (+3) = (+1) but (+3) - (+4) = (-1)

Only whole numbers are integers, whether negative or positive.

No. Every integer, whether negative or positive, is rational.

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When you divide or multiply positive and negative numbers, you first do the division or multiplication as normal. The next step is to assess whether or not the answer will be negative or positive. If the two numbers of the question were the same (negative and negative or positive and positive) then the answer will be positive. If the two numbers in the question were different (one negative and one positive) then the answer will be negative. Thus, if you divide a negative number by a positive number, the result will be the same as normal division, but the answer will be negative.

Any integer, whether it is positive or negative, is a rational number.

Criticism is having a comment for something and delivering it, whether in a positive or completely negative way. Criticism is having a comment for something and delivering it, whether in a positive or completely negative way.

You will end up with a negative value. It does not matter whether the numerator or denominator is negative. If either value is negative, the answer will be negative.

If the negative number is bigger then the answer will be negative If the bigger number is positive then the answer will be positive. All you do is subtract the two numbers and take the sign of the bigger number Ex (+2)+(-7)=(-5)

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Yes - integers are called so no matter whether they are positive or negative.

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Depend on which is larger, that will determine whether your answer is positive or negative. For example -9 + 3 = -6. Polarity (so to speak) will be the larger value.

It does not work that way. A negative power is simply the reciprocal. So that x-a = 1/xa The reciprocal is negative or positive according to whether the number itself is negative or positive. [And, if the number is 0, the reciprocal is not defined.]

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Integers are rational numbers, whether they are positive or negative.

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noNo. There are positive and negative integers. Zero is also an integer.-----------------------An integer simply means a whole number/value. It shouldn't matter whether it is positive or negative.

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You can classify them according to whether they are positive, zero or negative; whether they are integers or not, whether they are unit fractions or not and so on.