3 years ago

Select the correct triangles Identify the triangles that are right triangles

Mathematics

2 answers:

jarptica [38.1K]3 years ago

8 0

Answer:

1st and 4th are the right triangles

VLD [36.1K]3 years ago

4 0

Answer: The first and last triangles

Hope this helped! ;)

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

Alex73 [517]

Answer:

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

$a_{1}=5$

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

Recursive formula of a geometric sequence is,

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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emmainna [20.7K]

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Range R

Step-by-step explanation:

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3 years ago

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Brut [27]

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6x -7 is your answer

Step-by-step explanation:

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3 years ago

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3241004551 [841]

I think the answer is B.

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Daniel [21]

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