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Fed [463]
3 years ago
5

Write a recursive formula for the sequence 15, 26, 48, 92, 180.

Mathematics
2 answers:
Ahat [919]3 years ago
7 0

We are given the sequence 15, 26, 48, 92, 180. if we try to get the difference of the numbers, the sequence of the differences is 11,22, 44, 88.. this means the first difference is 11 and the succeeding differences is multiplied by 2 and so on. 
12345 [234]3 years ago
4 0
15, 26, 48, 92, 180

  26 - 15 = 13
  48 - 26 = 22
  92 - 48 = 44
180 - 92 = 88

  26 ÷ 15 = 1.73
  48 ÷ 26 = 1.84
  92 ÷ 48 = 1.9167
180 ÷ 92 = 1.95

The recursive formula isn't arithmetic or geometric.
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A license plate consists of 2 letters followed by 3 digits. How many license plates are possible if the 1st digit cannot be 0, a
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There are 608400 plates are possible.

If the first is A, we have 26 possibilities:

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The same applies for the three digits.

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10 for the second,

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8 0
2 years ago
Examine the following graph, where P(x) is the preimage and I(x) is the image after a transformation.
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the 4th answer I(x) = P(x-4)

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just imagine

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therefore, the 4th answer option is correct.

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2 years ago
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