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boston6686
01.09.2019 •
Mathematics
Dave started hiking at 120 feet below sea level.
a) if he climbed 750 feet, whats his elevation now ?
b) dave then descended 420 feet in 1 hour. find the average change in elevation per minute.
c)dave started his descent at 4 p.m. use the rate in b) to determine the time he reaches sea level.
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Ответ:
Ответ:
-5x = 78 + 25
-5x = 103
x = 103/-5
x = -20.6
Compare her solution with that above.