Mathematics, 24.11.2021 05:10 carmencolon119
A circular oil slick spreads so that as its radius changes, its area changes. Both the radius r and the area A change with respect to time. If dr/dt is found to be 1.7 m/hr, find dA/dt when r= 39.8 m. Hint: A(r)= πr², and, using the Chain, dA/dt=dA/dr•dr/dt.
Answers: 2
Mathematics, 21.06.2019 12:30
Country carpets charges $22 per square yard for carpeting, and an additional installation fee of $100. city carpets charges $25 per square yard for the same carpeting, and an additional installation fee of $70
Answers: 2
Mathematics, 21.06.2019 16:30
Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds
Answers: 1
Mathematics, 21.06.2019 20:30
What is the volume of the cone to the nearest cubic millimeter? (use π = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?
Answers: 1
A circular oil slick spreads so that as its radius changes, its area changes. Both the radius r and...
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