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Vlad1618 [11]
3 years ago
12

Find the sum of the first 7 terms of the following series, to the nearest integer.

Mathematics
1 answer:
Virty [35]3 years ago
5 0

Answer:

r = 2.5 \\ sum =  \frac{a( {r}^{n - 1} )}{r - 1}  \\  =  \frac{125( {2.5}^{7 - 1} )}{7 - 1}  \\  =  \frac{30517.6}{6}  \\  = 5086.3

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ryzh [129]
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4 0
3 years ago
Which inequality represents all the solutions of -5x + 5 > 160 - 10x?
Alexxandr [17]

Answer:

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8 0
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DedPeter [7]
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vovikov84 [41]
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4 0
3 years ago
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Scrat [10]

Answer:

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Step-by-step explanation:

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so

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5 0
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