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tiny-mole [99]
1 year ago
12

Please help me answer this

Chemistry
2 answers:
boyakko [2]1 year ago
7 0

Answer: the person

Explanation:above me is correct

-Dominant- [34]1 year ago
3 0

Answer:

1.01

Explanation:

you have to trust me

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A lake has been infected by some type of new algae that is unknown. Every single day the amount of surface area that the algae t
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It takes 86 days take to cover half of the lake

Explanation:

In the day #1, the amount of the algae is X,

In the day #2 is 2X

In the day #3 is 2*2*X = X*2²

...

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Assuming X = 1m³. In the day 87, the area infected was:

1m³*2^(87-1)

7.74x10²⁵m³ is the total area of the lake

the half of this amount is 3.87x10²⁵m³

The time transcurred is:

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Multiplying for 5 in each side:

ln (3.87x10²⁵) = ln (2^(n-1))

58.9175 = n-1 * 0.6931

85 = n-1

86 = n

<h3>It takes 86 days take to cover half of the lake</h3>

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