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Masja [62]
3 years ago
10

What is the value of n? n/-3 - 2 = -18

Mathematics
2 answers:
svp [43]3 years ago
7 0

Answer:

the value of n = -48 .......

SCORPION-xisa [38]3 years ago
4 0

Answer:

48

Step-by-step explanation:

n/-3=-16

n=-16*-3

n=48

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Answer:

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<em>Comment on the problem</em>

This is equivalent to asking, "where do I place a mirror on the ground so I can see the top of the other pole by looking in the mirror from the top of one pole?" Such a question is answered by reflecting one pole across the plane of the ground and drawing a straight line from its image location to the top of the other pole. Where the line intersects the plane of the ground is where the mirror (or anchor point) should be placed. The "similar triangle" description above is essentially the same approach.

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and then differentiate with respect to x and find the value that makes the derivative zero. That seems much more complicated and error-prone, but it gives the same answer.

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