Best Answer

Same mathematical signs equal plus

Different mathematical signs equal minus

Plus Plus = Plus (+)(+) = +

Minus Minus = Plus (-)(-) = +

Plus Minus = Minus (+)(-) = -

Minus Plus = Minus (-)(+) = -

So the direct answer to your question would be: plus minus equals minus

Q: Does plus minus mean plus

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A plus with a minus under it means "plus or minus" in math.

A minus and a minus makes a plus A plus and a plus makes a plus A minus and a plus or plus and a minus makes a minus 7 - -2 is a minus and a minus Therefore the answer is 7 + 2 = 9

If you mean the ADDITIVE INVERSE, change the minus sign to a plus sign. (And if you see a plus sign, you change it to a minus sign.)

No, it becomes a plus, since minus x minus = plus

yes. An opposite number is the negative of a positive number, for example -5 and +5 are opposite numbers. Since minus x plus is minus and plus x minus is minus and plus x plus is plus and minus x minus is plus then the product of opposites is the same.

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A plus with a minus under it means "plus or minus" in math.

plus or minus. You see it often with square roots. The square root of 9 is plus or minus 3.

Mean plus or minus 1.95 SEM. Mean minus 1,95 SEM to Man plus 1,95 SEM.

They equal a minus and two +'s or two -'s equal a + :)

It means the answe is either plus or minus

Depends what you mean by plus. If you mean minus, then you should have said so. If not, then good.

A plus + a plus is a plus.

A minus and a minus makes a plus A plus and a plus makes a plus A minus and a plus or plus and a minus makes a minus 7 - -2 is a minus and a minus Therefore the answer is 7 + 2 = 9

If you mean the ADDITIVE INVERSE, change the minus sign to a plus sign. (And if you see a plus sign, you change it to a minus sign.)

A minus plus a minus will give a sum with a minus also.

Yes it does. A minus is the opposite of something, so the minus of a minus is a plus.

It means either negative or positive.