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wlad13 [49]
2 years ago
13

What does opposite rays mean (geometry)

Mathematics
2 answers:
Elina [12.6K]2 years ago
7 0

Opposite rays are two rays that share a common endpoint, in this case B, have no other points of intersection, and all points on the two rays are collinear. The important thing to remember about opposite rays is that they share a common endpoint.

I'll attach an image provided of an example of rays that are not opposite.

The two rays I attached in the image provided are not opposite rays even though they do share a common endpoint but all points on the two rays are not collinear.

andreev551 [17]2 years ago
5 0
A line with arrows that points opposite from each other.<span />
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( n + -2 ) x ( n - -4 ) = 27<br><br> What are the two n's?
Flauer [41]

Simplify n + -2 to n - 2

(n - 2)(n + 4) = 27

Expand

n^2 + 4n - 2n - 8 = 27

Simplify n^2 + 4n - 2n - 8 to n^2 + 2n - 8

n^2 + 2n - 8 = 27

Move all terms to one side

n^2 + 2n - 8 - 27 = 0

Simplify n^2 + 2n - 8 - 27 to n^2 + 2n - 35

n^2 + 2n - 35 = 0

Factor n^2 + 2n - 35

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Whitepunk [10]
Well first we need to do whatever is in the parentheses, which in this case is: (5x1/20)

Following the order of operations (PEMDAS) we start with the multiplication, which is (5x1). We know that 5x1=5, so now we can move on to the division:

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Here is the equation simplified:

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Because there is now operation indicated between the 4 and the parentheses, we can assume that multiplication is implied, so the final equation is as follows:

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