42. A funnel in the form of cone is 10 am across the top and 8 cm deep. Water is flowing into the tunnel at the rate of 12 cm/sec and out at the rate of 4 omisec. How fast is the surface of the water rising when it is 5 om deep? A 0.26 cmvsec B. 0.32 cm/sec C. 0.14 am/sec D. 0.40 om/sec
42. A funnel in the form of cone is 10 am across the top and 8 cm deep. Water is flowing into the tunnel at the rate of 12 cm/sec and out at the rate of 4 omisec. How fast is the surface of the water rising when it is 5 om deep? A 0.26 cmvsec B. 0.32 cm/sec C. 0.14 am/sec D. 0.40 om/sec
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
Section8.CR: Review Exercises
Problem 40CR: Sue and Daves semicircular driveway is to be resealed, and then flowers are to be planted on either...
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