Mathematics
Mathematics, 09.07.2019 05:00, chandranewlon

The surface temperature of a deep, spring-fed lake is 70f. the lake temperature drops 2f for each yard below the lake surface until a depth of 6 yards is reached. from 6 yards to 15 yards deep, the temperature is constant. from 15 yards down to the spring source, the temperature increases 3f per foot until the spring source is reached at 2 yards below the surface. a. what is the temperature at 10 yards below the surface? b. what is the temperature at 50 feet below the surface? c. write an expression

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