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Solve each of the following questions. " 1. Ifx varies jointly as y and z, find the constant k of variation if x=5, z 8 and y 480. 2. The maximum safe load (M) of a rectangular beam varies jointly as the width (w) and the square of the depth (d) and inversely as the length (!). A beam 3dm wide, 2dm deep and 12dm long has a maximum safe load of 1.9kg. Find the maximum safe load for a beam of the same material which 6dm wide, 5dm deep and 16dm long.

Solve each of the following questions. " 1. Ifx varies jointly as y and z, find the constant k of variation if x=5, z 8 and y 480. 2. The maximum safe load (M) of a rectangular beam varies jointly as the width (w) and the square of the depth (d) and inversely as the length (!). A beam 3dm wide, 2dm deep and 12dm long has a maximum safe load of 1.9kg. Find the maximum safe load for a beam of the same material which 6dm wide, 5dm deep and 16dm long.

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Solve each of the following questions. " 1. If x varies jointly as y and z, find the constant k of variation if x 5, z 8 and y= 480. 2. The maximum safe load (M) of a rectangular beam varies jointly as the width (w) and the square of the depth (d) and inversely as the length (I). A beam 3dm wide, 2dm deep and 12dm long has a maximum safe load of 1.9kg. Find the maximum safe load for a beam of the same material which 6dm wide, 5dm deep and 16dm long.
Transcribed Image Text:Solve each of the following questions. " 1. If x varies jointly as y and z, find the constant k of variation if x 5, z 8 and y= 480. 2. The maximum safe load (M) of a rectangular beam varies jointly as the width (w) and the square of the depth (d) and inversely as the length (I). A beam 3dm wide, 2dm deep and 12dm long has a maximum safe load of 1.9kg. Find the maximum safe load for a beam of the same material which 6dm wide, 5dm deep and 16dm long.
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