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seropon [69]
3 years ago
7

After a power failure the temperature in a freezer increased at an average rate of 1.3 degrees Fahrenheit per hour. The total in

crease was 3.9 degrees Fahrenheit. Write and solve an equation to find the number of hours until the power was restored.
Mathematics
1 answer:
Liula [17]3 years ago
8 0
1.3x(y)= 3.9
3.9/1.3= 3
The answer is 3 hours
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1 year ago
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Elis [28]

Answer:

x=−4 or x=9

Step-by-step explanation:

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2- Multiply given width = (x+1) with length = (x-6)

3-Equation will be (x+1)(x-6) = 30

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6 0
3 years ago
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4 years ago
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Answer:

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Step-by-step explanation:

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