Write down a formula for the nth term for each number pattern below

1 answer:

4 0

Answer:

Step-by-step explanation:

$a_{n} =2(2n+1)$

$a_{n} =1-3n\\$

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VladimirAG [237]

A hope this is helpful

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Pavel [41]

AB = BE = 5

BD = BE + ED = 5 + 3 = 8

BC = 8

BD = BC

CD = 5 which is not equal to 8.

Triangle BCD has exactly 2 congruent sides.

Answer: Triangle BCD is isosceles.

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yulyashka [42]

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Ratling [72]

I believe the answer is A

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