3 years ago

If the second term of an arithmetic sequence is -2 and the fourth term is 6, find the seventh term.

1 answer:

6 0

18 would be the 7th so... hope it helps

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Svet_ta [14]

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77julia77 [94]

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Sophie [7]

Answer: 6π

<u>Step-by-step explanation:</u>

Area of a circle is π r².

Area of a section of a circle is π r² × the section of the circle.

$A=\pi r^2\bigg(\dfrac{\theta}{360^o}\bigg)$

Given: r = 6, Ф = 60°

$A=\pi (6)^2\bigg(\dfrac{60^o}{360^o}\bigg)\\\\\\.\quad =\pi (6)^2\bigg(\dfrac{1}{6}\bigg)\\\\\\.\quad =6\pi$

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