Fishtastic Fishtastic

14-03-2015
Mathematics

Answered

solve the equation, check for extraneous solutions x-10= √9x please explain each step with words:)

Answer :

15-03-2015

x-10 = root 9x | Square both sides | (x-10)squared = 9x | Expand | (X-10) (x-10) = 9x | xsquared -10x -10x +100 =9x | Simplify | x squared -20x + 100 = 9x | -9x from both sides | X squared -29x +100 = 0 | Factorise | (x - 25) (x - 4) = 0 | x = 25 or x = 4

Answer Link

Other Questions

Question 15 of 20:The characteristic of stress responses that refers to the length of time the behaviors continue to occur after the initial event isA. frequenc

When should you use the CC notation in a memo? - When a memo is dictated to an assistant - When copies of a memo are sent to other people not listed in the TO l

conclusion:why do you think the group area act 1950 is interesting to know about today (paragraph)

Do human cells contain minerals

A third-party sick pay provider transfers the reporting liability to an employer by: - charging the employer 102% of the payment. - notifying the employer of th

What prediction can you make about future levels of carbon dioxide (CO₂) in the atmosphere?

Which words describe the prefix poly-? Select all that apply.A. NewB. BadC. ManyD. ExcessiveE. FrequentF. Abnormal

Select the best answer for the question.The valence of aluminum is +3, and the valence of chlorine is -1. The formula for aluminum chloride is correctly written

Get-Around Cab Company charges [tex]$\$[/tex]2.50[tex]$ upon entry and $[/tex]\[tex]$2$[/tex] per mile. Write the function that represents the cost [tex]\( C \)

What is the effect of a 1-inch increase in Dbh on tree height, assuming the relationship is defined by the equation y=1.19x+0.48?