3 years ago

What is the value of a3 in the sequence? 5, 10, 20, 40, 80...

Mathematics

1 answer:

laiz [17]3 years ago

4 0

I can’t see a3 do you have a picture

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Stolb23 [73]

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Arlecino [84]

Answer:

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Step-by-step explanation:

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3 years ago

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vaieri [72.5K]

Answer:

$\large\boxed{t=0\ \vee\ t=\dfrac{1}{4}}$

Step-by-step explanation:

$4t-16t^2=0\qquad\text{divide both sides by 4}\\\\\dfrac{4t}{4}-\dfrac{16t^2}{4}=\dfrac{0}{4}\\\\t-4t^2=0\\\\t(1-4t)=0\iff t=0\ \vee\ 1-4t=0\\\\1-4t=0\qquad\text{subtract 1 from both sides}\\\\-4t=-1\qquad\text{divide both sides by (-4)}\\\\t=\dfrac{1}{4}$

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3 years ago