Mathematics, 26.07.2019 19:00, abbie722

On a winter morning, the temperature before sunrise was -11 fahrenheit. the temperature than rose by 1/2 degree each hour for 7 hours before dropping by 2 1/4 degrees each hour for 3 hours. what was the temperature, in degrees fahrenheit, after 10 hours?

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On a winter morning, the temperature before sunrise was -11 fahrenheit. the temperature than rose by...