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Mathematics 17 Online
zarkam21:

?

zarkam21:

1 attachment
zarkam21:

D

Vocaloid:

it's asking for total distance so you must treat this as a sum

Vocaloid:

|dw:1516684965318:dw|

Vocaloid:

a is the first term 12, r is the ratio 1/2, n is the number of bounces (5)

Vocaloid:

tbh this problem isn't worded well but I think they want the sum

zarkam21:

1.25

Vocaloid:

Sn = 12(0.5^5-1)/(0.5-1) -->?

zarkam21:

B

Vocaloid:

good

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