a cylinder with a closed top and bottom is to have a volume of 101 cubic inches. If the cost of the material of the circular top and bottom cost three times as much as the cost for the curved surface, the diameter of the cylinder to minimize cost shoul be?

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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1) a cylinder with a closed top and bottom is to have a volume of 101 cubic inches. If the cost of the material of the circular top and bottom cost three times as much as the cost for the curved surface, the diameter of the cylinder to minimize cost shoul be?

 

2) A missle isrising at constant rate of 100 meters per second. An observer is 600 meters away from the launching pad. At what rate is the angle of elevation (from the observer) changing? 

 

3) The first and sixth term of the arithmetic progression is 2/3 and 22/3 respectively. Find the sum of the 12th and 17th terms of the progression?

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