7. 5x2 – 35x = 40

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter10: Exponential And Logarithmic Functions
Section10.5: Solve Exponential And Logarithmic Equations
Problem 10.89TI: The half-life of magnesium-27 is 9.45 minutes. How much of a 10-mg sample will be left in 6 minutes?
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Answer this question with all the steps and parts to the question, please show all work and steps. DO NOT USE A GRAPHING SOFTWARE ALL WORK MUST BE DONE ANALYTICALLY. Thank you. 

7. 5x² – 35x = 40
2.x| =
8.
%3D
Transcribed Image Text:7. 5x² – 35x = 40 2.x| = 8. %3D
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