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astra-53 [7]
3 years ago
7

6÷2(1+2)=?

Mathematics
1 answer:
mina [271]3 years ago
5 0
I don't have the answer for the second one, but the answer to number 1 is 9.

6÷2(1 + 2) =

6÷2(3) =

3(3) =

9
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The closed linear form of the given sequence is a_{n}=0.75n-0.45

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Given that the first term a_{1}=0.3 and a_{n+1}=a_{n}+0.75

To find the closed linear form for the given sequence

The formula for arithmetic sequence is

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We can substitute these values in a_{n}=a_{1}+(n - 1)d

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Rewritting as below

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Therefore a_{n}=0.75n-0.45

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