4 years ago

I WILL MARK THE BRAINLIEST!!!!!!!

Mathematics

1 answer:

BigorU [14]4 years ago

6 0

Answer:

Step-by-step explanation:

Because there is a problem in that situation

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Identify the 12th term of a geometric sequence where a1 = 8 and a6 = −8,192.

vodka [1.7K]

Geometric sequence
$a_{n}=a_{1}*r^{n-1}$
r=common ratio
a1=first term
find r

a1=8
a6=-8192
$-8192=a_{6}=8*r^{6-1}$
$-8192=8*r^{5}$
divide both sides by 8
$-1024=8*r^{5}$
take 5th root of both sides
-4=r
sub
$a_{12}=8*(-4)^{12-1}$
$a_{12}=8*(-4)^{11}$
$a_{12}=8*-4194304$
$a_{12}=-33554432$

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3 years ago

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wally has 84$. he used two seventh of his money to buy a new pair of running shoes. how much did wally spend on his new shoes?

Novosadov [1.4K]

Answer:

$24

Step-by-step explanation:

What you do is you just times 84 x 2/7 to get your answer.

84 x 2/7=$24 is your answer.

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4 years ago