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Murljashka [212]
4 years ago
13

Find the sum of the arithmetic series 7 + 13 + . . . + 601

Mathematics
1 answer:
MissTica4 years ago
4 0

Answer:

d (30,400)

Step-by-step explanation:

The formula for finding the sum of an arithmetic sequence is t((t_{1} +t_{1} +d(n-1))/2)n.

In order to find n, we do the last term minus the first term, divided by the common difference, which is 6. Using this, we can determine that 601 is the 100th number. So 100 is the n. The d stands for difference between each term. t1 just means the first term (7).

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4 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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ankoles [38]

Answer:

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Step-by-step explanation:

Margie's total cost can be expressed as;

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Step-by-step explanation:

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