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Stels [109]
3 years ago
12

What was the concentration of the drug 4 hour(s) after injection?​

Mathematics
1 answer:
svetoff [14.1K]3 years ago
5 0

Answer:

it's 47÷4=11 3/4 will be your final answer

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A boat travels for 4 hours at a constant speed of 35.25 km/h.
Black_prince [1.1K]
Again set a proportion
x/4=35.25/1
=x=4(35.25)
x=141
Therefore the boat traveled 141 kilometres.
The answer is C.
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3 years ago
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4 0
2 years ago
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