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Dahasolnce [82]
3 years ago
7

please help me with these two problems PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE ​

Mathematics
1 answer:
lisov135 [29]3 years ago
4 0
You can use Math-way for problems like this !! ... it’s an app it’s good for giving you answers on math equations
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It is .00019



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The Panthers, a high school basketball team, charges $6 for adult tickets and $3 for children’s tickets. If 120 people went to t
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The scale below shows the weight of one apple. If Carly put another apple on the scale with the same weight as the first apple,
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8 0
3 years ago
What are the first and last terms of this geometric series
11Alexandr11 [23.1K]
ANSWER

E. 10 and 640


EXPLANATION


The given series is

\sum_{i=1}^45 \times 2^{2i-1}


To find the first term of the series we substitute i=1 to get,


a_1 = 5 \times  {2}^{2 \times 1 - 1}


a_1 = 5 \times  {2}^{ 1}  = 10



For the last term of the series, we substitute i=4 to obtain,

a_4 = 5 \times  {2}^{2 \times 4 - 1}


a_4 = 5 \times  {2}^{7}



This implies that,


a_4 = 5 \times  128 = 640


Therefore the correct answer is E
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3 years ago
Can someone please help me?
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