The safe load, Z, of a wooden beam supported at both ends varies jointly as the width, w, and the square of the depth, d, and inversely as the length, Z. A wooden beam 2 in. wide, 6 in. deep, and 7 ft long holds up 28029 lb. What load would a beam 7 in. wide, 8 in. deep, and 19 ft. long, of the same material, support? Round your answer to the nearest integer if necessary. Answer pounds Keypad Keyboard Shortcuts
The safe load, Z, of a wooden beam supported at both ends varies jointly as the width, w, and the square of the depth, d, and inversely as the length, Z. A wooden beam 2 in. wide, 6 in. deep, and 7 ft long holds up 28029 lb. What load would a beam 7 in. wide, 8 in. deep, and 19 ft. long, of the same material, support? Round your answer to the nearest integer if necessary. Answer pounds Keypad Keyboard Shortcuts
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.8: Joint And Combined Variation
Problem 8P
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