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angelmosby9
26.03.2020 •
Mathematics
During a rainfall, the depth of water in a rain guage increases at a rate modeled by R(t)=0.5+t cos(πt^3/80), where t is the time in hours since the start of the rainfall and R(t) is measured in centimeters per hour. How much did the depth of water in the rain gauge increase from t=0 to t=3 hours
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Ответ:
Step-by-step explanation:
The half-hourly rates are:
The depth of water can be estimated by numerical integration:
Ответ:
1/2 as a percentage is 25% and as a decimal it’s 0.25
6.66% as a fraction is 333/50 and as a percentage it’s 666%