The heat in the house is set to keep the minimum and maximum temperatures (in degrees Fahrenheit) according to the equation |x – 72.5| = 4. What are the minimum and maximum temperatures in the house?

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30-04-2015
Mathematics

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The heat in the house is set to keep the minimum and maximum temperatures (in degrees Fahrenheit) according to the equation |x – 72.5| = 4. What are the minimum and maximum temperatures in the house?

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apologiabiology apologiabiology · Answer 1 · 2015-04-30T12:31:55-04:00

apologiabiology apologiabiology

30-04-2015

so solve for x

|x-72.5|=4
the || makes the inside positive so it could be positivie and negative so

x-72.5=4 and x-72.5=-4
solve for x in both situations

x-72.5=4
add 72.5 to both sides
x=76.5

x-72.5=-4
add 72.5 to both sides
x=68.6

the minimum it can be set to is 68.5 and the max is 76.5

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neonhatchet14 neonhatchet14 · Answer 2 · 2019-06-26T13:35:25-04:00

neonhatchet14 neonhatchet14

26-06-2019

Answer:

its b for E2020 users

Step-by-step explanation:

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