Naz990 Naz990
  • 24-11-2014
  • Mathematics
contestada

I could use some help doing this simple math problem lol.

I could use some help doing this simple math problem lol class=

Respuesta :

konrad509
konrad509 konrad509
  • 24-11-2014
[tex]D:k-9\geq 0 \wedge k\geq0\\ D:k\geq 9 \wedge k\geq0\\ D:k\geq 9\\ \sqrt{k-9}-\sqrt k=-1\\ \sqrt{k-9}=-1+\sqrt k\\ k-9=(-1+\sqrt k)^2\\ k-9=1-2\sqrt k+k\\ 2\sqrt k=10\\ \sqrt k =5\\ k=25 [/tex]
Answer Link

Otras preguntas

How is sickle cell anemia an example of pieiotrophy
Vietnamese greetings how to say hi to older people
Calculate the future value of an investment of $2300, after 7 months, earning 6.6% apr, compounded monthly, by compounding manually. g
Match the pairs of values of f(x) and g(x) with the corresponding values of h(x) if h(x) = f(x) ÷ g(x). Screenshot of the tiles below (Please help)
Every participant in an experiment has an equal chance of receiving one of the treatments. this is called
In Hoyt’s model of human settlement, factories and upper-class residential areas radiate from the center of the city along __________. A. waterways B. fields an
An air mass that controls the weather in a region for a prolonged period is sometimes referred to as _____ weather.
Abigail, age 12, has just experienced a sudden growth spurt. according to the usual sequence of puberty, soon she will notice _____.
__________________ occurs when a police officer acts in a manner that places his personal gain ahead of duty, resulting in the violation of police procedures, c
Plz help me answer this