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Abby N.

asked • 09/30/18

Math Problem

The time, t, in minutes, needed for clothes hanging on a line outdoors to dry, at a specific temperature, depends on the humidity, h. The time can be approximated by the equation t equals 2 h squared plus 90 h plus 30, where h is the humidity expressed as a decimal number. Find the length of time required for clothing to dry if there is 40% humidity

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