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PolarNik [594]
3 years ago
15

If 1/3 of a gallon of paint covers 2/3 of a wall how many gallons of paint or needed to cover the entire wall

Mathematics
1 answer:
FromTheMoon [43]3 years ago
7 0

Answer:3/4=1/3 of all

times 3 both sides

9/4=3/3 of all

9/4=all

need 9/4 gallons or 2 and 1/4 gallons

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Easy, showing work,

using the method FOIL (First,Outer,Inner, Last)

Take, (x+3)(x+5) and multiply,

First,

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Inner,

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Add the terms together,

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The range is the ouutput from inputing the input
basically
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so the domain has the numbers
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it seems we only want the positive square roots so
answer is {4,7} is the domain
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