2 years ago

Please help me out! :) !!!!!!

Mathematics

1 answer:

rjkz [21]2 years ago

4 0

Answer:

your answer is 8/40 but is reduced to 1/5

Step-by-step explanation:

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3 years ago

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Mama L [17]

Answer:

$a_n= 4(-5)^{(n-1)}$

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Step-by-step explanation:

a = 4

r = -5

geometric series: $a_n=ar^{(n-1)} = 4(-5)^{(n-1)}$

Determine which term = -12500:

$a_n=-12500$

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$(-5)^{(n-1)} = -3125$

$(5)^{(n-1)} = 3125$

$(n-1)ln(5) = ln(3125)$

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2 years ago