3 years ago

What does subtracting a negative do ?

2 answers:

7 0

Do? I'd answer by saying that subtracting a negative quantity is equivalent to adding the magnitude of that quantity. For example, 2 - (-3) = 2 + 3 = 5.

A negative sign in front of another actually calls up addition.

salantis [7]3 years ago

4 0

If you subtract negative from negative the answer will be positive if u subtract a nevagative from a positive it will become a negative.

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2 years ago

The measure of an interior angle of a regular polygon is 140°140°. find the number of sides of the polygon.

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$\alpha = \cfrac{180(n-2)}{n} \ \ \ \ \ [ \alpha =interior \ angle, \ \ n=number \ of 
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