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marishachu [46]
3 years ago
8

Question 2 Unsaved

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
5 0
Each time the value of n increases by 1, the value of an increases by a factor of 3. The 3rd choice is appropriate.

_____
When an expression like this one is written in plain text, it is appropriate (required) to put parentheses around the exponent that contains an arithmetic operation.
  an = 4·3^(n-1)

If you leave off the parentheses, the expression no longer describes a geometric sequence.
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75 students out of 120

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75/120

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Please answer this question now
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Answer:

Approximately 439.6 square millimeters.

Step-by-step explanation:

The formula for the surface area of a cone is the following:

A=\pi r^2+\pi r l

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