Dada a P.A (28,36,44,52,...) determine seu: a)oitavo termo b)décimo nono termo.... Pergunta de ideia deCleislaMeira

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Dada a P.A (28,36,44,52,...) determine seu:
a)oitavo termo
b)décimo nono termo

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Idws Olá!
Fórmula geral de uma PA:
an = a1 + (n-1)r

r=a2-a1 = 36 - 28 = 8
a)
a8 = 28 + 7 . 8
a8 = 28 + 56 = 84

b)
a19= 28 + 18 . 8
a19 = 28 + 144 = 172

Res: 84 e 172

CleislaMeira Mto obrigada

Idws De nada! :)

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Read the text once more and answer the questione. a)what is the game about? b) what are the beneficial aspects of playing a game like this one?

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