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Hatshy [7]
3 years ago
15

WILL MARK BRAINLIEST IF GOTTEN RIGHT IF YOU GET IT WRONG ON PURPOSE I WILL BE REPORTING YOU

Mathematics
1 answer:
Sauron [17]3 years ago
8 0

Answer: im pretty sure its 5 to the second power so the third one

Step-by-step explanation:

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1 4th plus 5 8th equals
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These two have different denominators, so you find the least common multiple. This problem goes to be 2/8+5/8, which equals 7/8。
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If 2k, 5k-1 and 6k+2 are the first 3 terms of an arithmetic sequence, find k and the 8th term​
Klio2033 [76]

Answer:

see explanation

Step-by-step explanation:

The common difference d of an arithmetic sequence is

d = a_{2} - a_{1} = a_{3} - a_{2}

Substitute in values and solve for k, that is

5k - 1 - 2k = 6k + 2 - (5k - 1)

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2k = 4 ⇒ k = 2

--------------------------------------------------------

The n th term of an arithmetic sequence is

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a_{1} = 2k = 2 × 2 = 4 and

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Hence

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3 years ago
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Answer:

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