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kipiarov [429]
3 years ago
9

What is the length of the side of a regular octagon if a diagonal is 20 meters long?

Mathematics
1 answer:
Margarita [4]3 years ago
3 0

Answer:

10

Step-by-step explanation:

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Write a rule for the nth term of the arithmetic sequence. Then graph the first six terms of the sequence. a6=-12 a12=-36
denis-greek [22]

Answer:

We need to find the first term.  We can use the formula

an = a1 + d(n - 1)

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d = -4

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an = 8 - 4(n - 1)

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Then use this formula to graph.

n is the independent variable.

an is the dependent variable.

Your graph will be a line.

n    |       an

___________

1          8

2          4

3          0

4         -4

5         -8

6         -12

Step-by-step explanation:

give me brainliest.

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