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5 October, 04:26

The temperature in mariah's town was at 5.2 f midnight. the temperature decreased at a steady rate of 1.1 per hour until 7:00 a. m. at 7:00 a. m. the temperature increased by a total of 4.9until noon. what was the temperature at noon?

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  1. 5 October, 04:53
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    It was 5.2 at midnight ... the temp. decreased at a steady rate of 1.1 per hr until 7 a. m ... so it decreased 1.1 degrees every hr for 7 hrs ... so it decreased by (1.1 * 7) = 7.7 degrees ... so at 7 a. m. it is (5.2 - 7.7) = - 2.5 ... the temp increased by a total of 4.9 until noon ... so at noon it is going to be (-2.5 + 4.9) = 2.4 degrees F <==
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