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guajiro [1.7K]
2 years ago
8

Need helpPlzzzzzzzzzzzzzzzz

Mathematics
1 answer:
Radda [10]2 years ago
7 0

Answer:

2

Step-by-step explanation:

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A right triangle has sides of length 3ft., 4ft., and 5 ft. what is the perimeter? what is it’s area?
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the perimeter is 12 feet

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area=multiplying all sides

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A pharmacist needs 500 milliliters of a 20% phenobarbital solution but has only 5% and 25% phenobarbital solutions available. Fi
sladkih [1.3K]

Let x be ml of 5% soln.

let 500-x be ml of 25% soln.

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x*.05=.05x

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500-x=375 ml of 25% soln.

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Check:

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---------------

========100

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