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Mathematics, 19.10.2019 21:10 rutza
The temperature at noon on a cold winter day was −14.5°f - 14 . 5 ° f . by evening, the temperature had dropped by 3.2° 3 . 2 ° . mary thinks that the temperature for the evening could be found by subtracting 3.2 3 . 2 from −14.5 - 14 . 5 . mollie thinks that −3.2 - 3 . 2 should be added to −14.5 - 14 . 5 . their methods are shown in the expressions below. mary: −14.5−3.2 - 14 . 5 - 3 . 2 mollie: −14.5+(−3.2) - 14 . 5 + ( - 3 . 2 ) are these two expression equivalent? explain. what does this mean in terms of the methods outlined by mary and mollie?
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The temperature at noon on a cold winter day was −14.5°f - 14 . 5 ° f . by evening, the temperature...
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