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Brilliant_brown [7]
3 years ago
8

An ancient Chinese candle clock tells the amount of time that has passed by the amount of wax that has been melted off the candl

e. Each candle is divided into 12 sections, marked 1 inch apart. It takes 4 hours for each candle to completely melt, after which a new candle is lit. If two candles have completely melted and one candle has melted 4 in, how many minutes have passed since the first candle was lit?
Mathematics
2 answers:
rjkz [21]3 years ago
8 0
Two candles=8 hours=8*60=480 minutes
4 inch is 4/12 of a candle, 4/12 of 4 hours=16/12=4/3 hours=80 minutes
so the total minutes are 480+80=560 
rosijanka [135]3 years ago
4 0

Answer:

480+80=560

If a colored candle and a white candle are burned at the same time for an hour, then the colored candle will burn faster, because it has more chemicals than the white candle.

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none of the above

Step-by-step explanation:

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5 0
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Read 2 more answers
Find the inverse of each function. Is the inverse a function? f(x)=x⁷
Luda [366]

The inverse of the function x^7 is x^-7 and it is also a function.

An inverse function or an anti function is defined as a function, which can reverse into another function.

A standard method to find inverse of a function is to set y=f(x)

let y= f(x)=x^7

thus

\sqrt[7]{y}=x

thus f^{-1}(y)=\sqrt[7]{y}

thus f^{-1} (x)=\sqrt[7]{x}

(To verify this if a function is inverse or not we are required to check for the identity)

f(f^{-1}(x))=f^{-1}(f(x))=x

Therefore, The inverse of the function x^7 is x^-7 and it is also a function.

For further reference:

brainly.com/question/2541698?referrer=searchResults

#SPJ4

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