Write a RECURSIVE and EXPLICIT model for the following geometric sequence. 3, 15, 75, 375, 1875, ...

1 answer:

4 0

Answer:

Step-by-step explanation:

Common ratio (r) = 2nd term / 1st term = 15/3 = 5

Recursive formula:

$a_{n}=a_{n-1}*r \\\\a_{n}=a_{n-1}*5\\=5a_{n-1}$

Explicit formula:

a = first term = 3

$a_{n}=ar^{n-1}\\\\a_{n}=3*(5)^{n-1}\\$

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postnew [5]

The slope of a line that is perpendicular to y = x - 6 means that the slope has to be a negative reciprocal of the original slope

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Hope that helps!

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2 years ago

weeeeeb [17]

A+5 is the same as 3+5 since A=3.
You would take five and count up by three, 6,7,8.
Your answer would be 8.

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3 years ago

PSYCHO15rus [73]

He can fit 4 cubes because you cannot have a half a cube. so it is the whole number 4

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3 years ago

Kisachek [45]

Answer: 154 people

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I hope i got it right for you

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3 years ago

Licemer1 [7]

Answer:

Yes it does

Step-by-step explanation:

Distance is equal to rate multiplied by time and the rate is how fast the car is going and how long is the time so yes it will be equal to distance.

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4 years ago