Grain is falling from a chute onto the ground, forming a conical pile whose diameter is always three times its height. How high is the pile (to the nearest hundredth of a foot) when it contains 1200 ft³ of grain?
(a) 6.99ft
(b) 7.88ft
(c) 6.28ft
(d) 7.5ft
(e) none of these
(e) none of these
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Use implicit differentiation to find dy/dx.y
= 4
A. - 
B. - 
C. 
D. 
Solve.The distance that an object falls when it is dropped is directly proportional to the square of the amount of time since it was dropped. An object falls 288 feet in 3 seconds. Find the distance the object falls in 5 seconds.
A. 480 feet B. 160 feet C. 800 feet D. 15 feet
Convert the given interest rate to decimal form if it is given as a percentage, and to a percentage if it is given in decimal form.0.05 to percent
A. 0.0005% B. 5% C. 50% D. 0.05%
Give the values of Xmin, Xmax, Ymin, and Ymax for the screen, given the values for Xscl and Yscl.
Xscl = 1, Yscl = 1
A. [-15, 5] by [-15, 5] B. [5, -15] by [5, -15] C. [-5, 15] by [-5, 15] D. [15, -5] by [15, -5]