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Sindrei [870]
3 years ago
15

Identify whether the series summation of 12 open parentheses 3 over 5 close parentheses to the i minus 1 power from 1 to infinit

y is a convergent or divergent geometric series and find the sum, if possible. (2 points) This is a convergent geometric series. The sum cannot be found. This is a convergent geometric series. The sum is 30. This is a divergent geometric series. The sum cannot be found. This is a divergent geometric series. The sum is 30.
Mathematics
1 answer:
Paraphin [41]3 years ago
7 0

Answer:

  This is a convergent geometric series. The sum is 30.

Step-by-step explanation:

In your series, the ratio of terms is 3/5, a value whose magnitude is less than 1. That means the series is convergent. The sum is given by the formula ...

  S = a1/(1 -r)

where a1 is the first term (12) and r is the common ratio (3/5). This gives ...

  S = 12/(1 -3/5) = 12·5/2 = 30

The series is convergent and has a sum of 30.

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I’m not sure if u mean it that way but the answer is correct
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There are a total of 21 students in the choir and the drama club. There are 7 more students in the choir than the drama club. Wr
PolarNik [594]

Answer:

<em>The number of students in the drama club is 7 and the number in the choir is 14</em>

Step-by-step explanation:

X = Number of students in choir club

Y =  Number of students in drama club

<u>First equation:</u>

x + y = 21

<u></u>

<u>Since we know that there are 7 more students in the choir club than the drama club, that means:</u>

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21 students in the choir and drama club - 7

=> 14

Meaning that y is 14

<u>So lets go back into our second equation:</u>

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8 0
2 years ago
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Citrus2011 [14]

Answer:

21,000

Step-by-step explanation:

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like 425 would round to just 400; and 676 would round to 700.

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Answer:

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Step-by-step explanation:

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