The sales of speaker systems and stereos at a store are related by the equation 0.4x³ + 8xy + 6.9y³ = 22388.4, where x is the number of speaker systems and y is the number of stereos sold. Step 1 of 2: Find dy dx The sales of speaker systems and stereos at a store are related by the equation 0.4x³ + 8xy + 6.9y³ = 22388.4, where x is the number of speaker systems and y is the number of stereos sold. Step 2 of 2: Find dx if x = 27 and y = 12. Enter the exact answer or round to the nearest thousandth.
The sales of speaker systems and stereos at a store are related by the equation 0.4x³ + 8xy + 6.9y³ = 22388.4, where x is the number of speaker systems and y is the number of stereos sold. Step 1 of 2: Find dy dx The sales of speaker systems and stereos at a store are related by the equation 0.4x³ + 8xy + 6.9y³ = 22388.4, where x is the number of speaker systems and y is the number of stereos sold. Step 2 of 2: Find dx if x = 27 and y = 12. Enter the exact answer or round to the nearest thousandth.
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
Chapter8: Introduction To Functions
Section: Chapter Questions
Problem 4CT
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Question
Transcribed Image Text:The sales of speaker systems and stereos at a store are related by the equation 0.4x³ + 8xy + 6.9y³ = 22388.4, where x is the number of
speaker systems and y is the number of stereos sold.
Step 1 of 2: Find
dy
dx
Transcribed Image Text:The sales of speaker systems and stereos at a store are related by the equation 0.4x³ + 8xy + 6.9y³ = 22388.4, where x is the number of
speaker systems and y is the number of stereos sold.
Step 2 of 2: Find
dx
if x = 27 and y = 12. Enter the exact answer or round to the nearest thousandth.
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