Two rays or line segments that have the same endpoint

1 answer:

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A line segment is a part of a line that has two defined endpoints. A ray is named by its endpoint and by another point on the line. The angle that is formed by two rays that have the same endpoint is called the vertex.

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Which real-world story is represented by the addition problem (–2 1/2) + (–3 1/4) = –5 3/4?

allochka39001 [22]

Answer:

Step-by-step explanation:

A is the correct answer because the equation matches option A.

(-2 1/2) + (-3 1/4)

The minus sign in -2 1/2 shows that the submarine descended and then descended again with the addition sign. Though the addition sign can mean that it ascended its incorrect.

With the equation in hand, we can prove that option A is correct.

If the submarine descended 2 1/2 miles then here must be a minus sign next to the 2 1/2. But if it ascended then there would've been an addition sign to show that it ascended. The other value - 3 1/4 also shows that it ascended with the help of the addition sign.