The weight of poodles at the dog pound are 22.1 , 24.3, 25.0, 27.1 , .30.0. What is themode?
1 answer:
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Answer:
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1) 72
cm² / min. ;
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2) 192 cm² / min.
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Explanation:
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Area of a circle: A = r² ;
Rate of change of Area is: da/dt = 2
r (dr/dt) ;
Given: dr/dt = 3 cm / min.
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Problem 1)
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dA/dt = 2 *(12 cm)*(3 cm/ min) = 72 cm² / min. ;
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Problem 2)
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dA/dt = 2 *(32 cm)*(3 cm/ min) = 192 cm² / min.
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1) 72
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2) 192
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Explanation:
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Area of a circle: A =
Rate of change of Area is: da/dt = 2
Given: dr/dt = 3 cm / min.
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Problem 1)
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dA/dt = 2
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Problem 2)
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dA/dt = 2
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