What is the sum of the first eight terms of the geometric series 2 + 6 + 18 + 54 + … ?

1 answer:

7 0

2+6+18+54+162+486+1458+4375=6561

you multiply the previous number by three to find the next value

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earnstyle [38]

12 times 2 is 24, and 24 times 2 is 48, so there was 48 cookies

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3 years ago

Luda [366]

Answer:

D A = (1/2) (y₂ - y₁)(x₃ - x₁)

Step-by-step explanation:

b = (y₂ - y₁)

h = (x₃ - x₁)

A = (1/2)bh

A = (1/2) (y₂ - y₁)(x₃ - x₁)

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3 years ago

mestny [16]

13,61,25,19,41
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4 years ago

Flura [38]

Answer:

Step-by-step explanation:

$\lim_{n \to \ -\pi } (f(x) - g(x))\\\\ = \lim_{n \to \ -\pi } (3 - cos x)\\\\ = 3 - cos( - \pi) = 3 - cos(\pi)\\\\ = 3 - (-1) = 3 + 1 = 4$

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3 years ago

Anettt [7]

<span>Simplify 3ab + 4ab + 5
= 7ab + 5 (combine like terms)

hope it helps</span>

5 0

4 years ago