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vlabodo [156]
3 years ago
14

Helpp ill mark u as brain list​

Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
5 0

Answer:

the second one

-1 -2

3 0

5 1

7 2

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Please help! Will award BRAINLIEST if you complete it correctly!
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Answer:

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A 20 cm long thin wire is used to form a square. What is the area of the square?
sergij07 [2.7K]

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25cm^2

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aleksandrvk [35]

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3 years ago
The half-life of a certain radioactive material is 78 hours. An initial amount of the material has a mass of 790 kg.. Write an e
adoni [48]
<span> half life i= 78 hours 
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ln (395/790) = (k*78) 
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Amount(18)
= 790e^(-0.00888*18) 
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hope this helps</span>
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