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Elena L [17]
3 years ago
6

A hair dryer wastes 376J for every 1500J of electrical energy it uses. How efficient is the hairdryer?

Mathematics
1 answer:
Leni [432]3 years ago
8 0

Answer:

\boxed{efficiency, \gamma  = 74.93 \%}

Step-by-step explanation:

efficiency, \: \gamma  =  \frac{1500 - 376}{1500}  \times 100 \\ \gamma  =  \frac{1124}{1500}  \times 100 = 74.93 \\ efficiency, \gamma  = 74.93 \%

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