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givi [52]
3 years ago
11

What adds to get 15 and multiplies to get negative 20

Mathematics
1 answer:
kakasveta [241]3 years ago
5 0
This is a very hard questions but i tried my best and i tried and even tried decimals! but it was too hard for me! sorry!
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What is the value of the fourth term in a geometric sequence for which a1 =<br> 30 and r= 1/2
Tcecarenko [31]

Answer:

3¾

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Geometric sequence also known as geometric progression, can be said to be a sequence with a constant ratio between the terms.

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a^n = a ( n-1 ) * r

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First term, a1 = 30

ratio, r = ½

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