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Xelga [282]
3 years ago
6

What is N=0.8888… as a fraction? Pls come through with this and show the steps-

Mathematics
2 answers:
Katen [24]3 years ago
8 0

Answer:

8/9

Step-by-step explanation:

x = 0.8888....

10x = 8.88888

10x - x

8.888888.. - 0.88888....

the repeating decimals cancel out

9x = 8

x = 8/9

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

SpyIntel [72]3 years ago
4 0
Ghugjjjufhjttjfghnghjn
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Answer:

4.45 ccs will remain after 5 hours.

Step-by-step explanation:

The anti-biotic in his body decreases at a rate proportional to the amount, Q(t), present at time t.

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We obtain

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Q(t) = Q₀ e⁻ᵏᵗ

the initial injection was 8 ccs and 5 ccs remain after 4 hours

Q₀ = 8 ccs,

At t = 4 hours, Q = 5 ccs

5 = 8 e⁻ᵏᵗ

e⁻ᵏᵗ = 0.625

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Step-by-step explanation:

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