2 years ago

If the sequence below is a geometric sequence then what will the next two numbers in the sequence be? Sequence: 3, 9,…

Mathematics

1 answer:

Aliun [14]2 years ago

7 0

Answer: 27,81

Step-by-step explanation:

First you do 3*3=9

9*3=27

27*3=81

So the sequence will be 3,9,27,81

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nirvana33 [79]

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Step-by-step explanation:

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2 years ago

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Alex777 [14]

$15x^2+14x-49=0\\\\
Terms:\\
a=15\ \ \ \ b=14\ \ \ \ c=-49\\
Quadratic\ Formula:\\\\
x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\
x=\dfrac{-14\pm\sqrt{196+2,940}}{30}\\\\
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$Roots:\\\\
x'=\dfrac{-14+56}{30}\\\\
x'=\dfrac{42}{30}\\\\
x'=\dfrac{21}{15}\\\\
\boxed{x'=\dfrac{7}{5}}\\\\\\\\
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x''=\dfrac{-70}{30}\\\\
\boxed{x''=\dfrac{-7}{3}}$

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3 years ago

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gogolik [260]

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2 years ago

Answer this thanks!!!!

kirill115 [55]

Answer:

Step-by-step explanation: