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DedPeter [7]
3 years ago
13

Write the recursive formula for the geometric sequence: a1 = -2, a2 = 8, a3 = -32

Mathematics
1 answer:
Veronika [31]3 years ago
6 0
In the sequence, we are given with -2, 8, -32...This is a geometric type of sequence with a geometric ratio of 4. a1 is equal to -2 and r is equal to 4The expression is
a n = a1 * r ^ (n-1) where n is an integer ora n = a1 * (-4) ^ (n-1)we can check or verify this using the given
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Point A is 4 units away from the origin along the x-axis, and is 7 units away along the y-axis. Which of the following could be
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To budget 15% of his income to savings, how much more money ww ruta
aalyn [17]

Answer:

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6 0
3 years ago
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lana [24]
You can either do;


1. 90(2) = 100(2)

180 = 200


In 3 minutes, they can write 200 words. So now we can divide by 3.

3/3 = 1 minute

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or


2. 90/3 = 30 secs

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Either way, the admin assistant can write 67 words per minute. (Rounded to the nearest whole)
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