bewellplus.gsu.edu
cdining1 cdining1
  • 15-04-2015
  • Mathematics
Answered

21k^2+4=19k solve for k

Verified Answer :

konrad509
konrad509 konrad509
  • 15-04-2015

\(21k^2+4=19k\\ 21k^2-19k+4=0\\ 21k^2-7k-12k+4=0\\ 7k(3k-1)-4(3k-1)=0\\ (7k-4)(3k-1)=0\\ k=\dfrac{4}{7} \vee k=\dfrac{1}{3}\)

Answer Link

Related Questions

Estimate Then find he product 9268
What was the Confucian solution to Chinas problems
The train can be a convenient way to travel to various European cities Certain tickets allow passengers to get off at desired locations stay however long they
are visual methods of clarifying ideas and illustrating the message
there are 765 marbles in a in a box there are twice as many blue marbles as green marbles there are 3 times as many red marbles as blue marbles how many red mar
The Hellenistic Age was a time of great advancements in all of the following areas except a religious tolerance c mathematics b philosophical ideas d physics
what is the value of 9 in 3309
The Civil War ended with the of General Robert E Lee at Appomattox a indenture b cerebration c capitulation d recapitulation
Which of the following best states why language caused a divide between Western and Eastern Europe A Western Europeans spoke a variety of languages making inter
Hal forgot the number of people basketball gamehe does remember that the number had four digits and a3 in the ten placewriter a number that Hal could be thinkin