3 years ago

I need help on 12 and 16

1 answer:

7 0

12. A trapezoid is a quadrilateral. It has 4 sides

16. Two parallelograms. Two sides opposite of each other will be parallel to each other. The same is true with the other two sides. (length and width)

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Answer:

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Step-by-step explanation:

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3 years ago

F(n)=5.(-2)n-1<br>Complete the recursive formula of f(n).

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Answer:

a(n) = $(-2)(a_{n-1})$

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Step-by-step explanation:

The given expression is in the form of the explicit formula of a geometric sequence.

f(n) = $a(r)^{n-1}$

Where 'a' = First term of the sequence

r = common ratio

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a(n) = $(a_{n-1}).(r)^{n-1}$

a(n) = $(-2)(a_{n-1})$

Where, $a_{1}=5$

So the recursive formula will be a(n) = $(-2)(a_{n-1})$

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