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8_murik_8 [283]
3 years ago
9

What expression defines Sn?

Mathematics
1 answer:
frutty [35]3 years ago
3 0

Answer:

Sₙ=3(1/2^n)

Step-by-step explanation:

Notice that in the given series that each term is being multiplied by 1/2, which is our common ratio. 3/2 is the first term because 3*1/2=3/2, so the expression that defines Sₙ is Sₙ=3(1/2^n)

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Step-by-step explanation:

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You need to use this formula:
([a]/[sinA])=([c]/[sinC])-I am going to use 'a' for the x, and 'c' for 16(square root of 3)
Now its just getting 'a' by itself.
([c] times [sinA])/([sinC])=[a]
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sinA=sin(60)=(square root of 3)/2
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3 years ago
£60 is divided between Peter, Angad &amp; Nick so that Peter gets twice as much as Angad, and Angad gets three times as much as
Anna [14]

60£

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3 0
4 years ago
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wlad13 [49]
X-the number

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