Which defines the relationship between the number -9 and its additive inverse?

Mathematics

2 answers:

mote1985 [20]3 years ago

6 0

Answer:

D. (-9)+9=0

Step-by-step explanation:

Additive inverse means that the sum of the original number and its Additive inverse must add upto 0. In this case, if we add -9 and 9 then we get 0. That's why D is the correct answer.

maw [93]3 years ago

3 0

The Additive Inverse Property states that the sum of a real number and its opposite is 0.

a + (-a) = 0.

Therefore, the correct answer is Option D): (-9) + 9 = 0

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Identify the polygon that has vertices A(−10,−1), P(−7,3), E(−3,0), and X(−6,−4), and then find the perimeter and area of the po

Bogdan [553]

Answer:

square; perimeter 20 units; area 25 square units.

Step-by-step explanation:

As the attachment shows, each side of the polygon is the hypotenuse of a 3-4-5 right triangle, so has length 5 units. The perimeter is the sum of those lengths, 4×5 = 20; the area is the product of the lengths of adjacent sides, 5×5 = 25.

The figure is a square of side length 5 units.

The perimeter is 20 units; the area is 25 square units.