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Question 3 (i) Given that log, x+2log, y = 4 show that xy =16. Hence solve for x and y the simultaneous equations: log, x+2log, y = 4 %3D log10 (x+ y)=1 (ii) A student obtained the following: 3 credit course A 2 credit course В 1 credit course Calculate the student grade-point -average В (iii) If 10 men in a company have an average annual salary of GH¢360,000 and 23 women have an average annual salary of GH¢285,000, find the mean salary of all 33 employees

Question 3 (i) Given that log, x+2log, y = 4 show that xy =16. Hence solve for x and y the simultaneous equations: log, x+2log, y = 4 %3D log10 (x+ y)=1 (ii) A student obtained the following: 3 credit course A 2 credit course В 1 credit course Calculate the student grade-point -average В (iii) If 10 men in a company have an average annual salary of GH¢360,000 and 23 women have an average annual salary of GH¢285,000, find the mean salary of all 33 employees

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question 3 (i) Given that log, x+2log, y = 4 show that xy =16. Hence solve for x and y the simultaneous equations: log, x+2log, y=4 log,0 (x+ y) =1 (ii) A student obtained the following: 3 credit course A 2 credit course В 1 credit course Calculate the student grade-point -average В (iii) If 10 men in a company have an average annual salary of GH¢360,000 and 23 women have an average annual salary of GH¢285,000, find the mean salary of all 33 employees
Transcribed Image Text:Question 3 (i) Given that log, x+2log, y = 4 show that xy =16. Hence solve for x and y the simultaneous equations: log, x+2log, y=4 log,0 (x+ y) =1 (ii) A student obtained the following: 3 credit course A 2 credit course В 1 credit course Calculate the student grade-point -average В (iii) If 10 men in a company have an average annual salary of GH¢360,000 and 23 women have an average annual salary of GH¢285,000, find the mean salary of all 33 employees
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