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lilavasa [31]
3 years ago
10

Find a10 given the geometric sequence 3, 12, 48, 192, ...

Mathematics
1 answer:
notka56 [123]3 years ago
3 0

Answer:

Step-by-step explanation:

first term = a = 3

common ratio = 2nd term ÷ first term

                       = 12 ÷ 3

                      r = 4

a_{n} = ar^{n-1}\\\\a_{10}=3*4^{9}\\\\\\ = 3 * 262144\\\\= 786432

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ivanzaharov [21]

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Herman is traveling 125 miles from his house to the beach by car. Herman plans to stop for lunch when the ratio of the distance
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Answer:

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Step-by-step explanation:

The given distance between the house and the beach is 125 miles.

Let x miles be the distance between the house and the lunch stop.

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Let y miles be the remaining distance, so

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x:y=2:3

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4 0
3 years ago
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gulaghasi [49]

9514 1404 393

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