A number and its opposite is called

Mathematics

2 answers:

Blizzard [7]3 years ago

7 0

Answer: its called a additive inverse

Step-by-step explanation:

Tpy6a [65]3 years ago

7 0

Answer:

the opposite positive number is negative, and the opposite to a negative number is positive.

Step-by-step explanation:

In mathematics, the additive inverse of a number a is the number that, when added to a, yields zero. This number is also known as the opposite number, sign change, and negation. For a real number, it reverses its sign: the opposite to a positive number is negative, and the opposite to a negative number is positive.

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nordsb [41]

Answer:

I think it would be b

Step-by-step explanation:

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The height of a triangle is 7 ft more than its base. if the area of the triangle is 30 ft^ what is the lentgh of the base

Dmitriy789 [7]

Since the area of a triangle is in the form
area=0.5(base)(height)
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let base=x
area=0.5(x)(7+x)
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multiply the equation by 2
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subtract 60 from both sides
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anzhelika [568]

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2 years ago

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ki77a [65]

Answer is -9

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2 years ago

HELP!! 25 Points!!!

elena55 [62]

There you go... a. 10

If we add x to both sides, we get rid of the x on the right side which leaves us 1/2x + 2 = 7. (1/2=0.5)

Then if we substract 2 from both sides, we will get 1/2x = 5

If half of x = 5, then the whole of x = 10.

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2 years ago