eba0lleneishambe
eba0lleneishambe
08-11-2016
Mathematics
contestada
log3(X-5)+log3(x+3)=2
Respuesta :
Nirina7
Nirina7
11-11-2016
LnA +LnB= LnA.B
so we get
Log3(X-5)+log3(x+3)=Ln3(x-5)(x+3)=2 implies
(x-5)(x+3)=2^3=8, so we can solve easily the quadratic equation
x^2-2x-23=0, there are two solution x=1 -sqrt(24), and x=1+sqrt(24)
Answer Link
VER TODAS LAS RESPUESTAS ( 25+ )
Otras preguntas
Steve Queen and Chelsy Stevens formed a partnership, dividing income as follows: Annual salary allowance to Stevens of $117,150. Interest of 6% on each partner
What is a copy-on-write feature, and under what sircumstances is it beneficial to use this feature? What hardware support is required to implement this feature?
You are helping your friend move a new refrigerator into his kitchen. You apply a horizontal force of 272 N in the negative x direction to try and move the 61 k
Solve the formula 4x+9y=3 for y
 What is the most likely explanation for how speciation occurs? A. It occurs by more than one method. B. It occurs by gradual changes. C. It occurs only by ge
In the sentence "Now is the time to lift our nation from the quicksand of racial injustice to the solid rock of human dignity," the bolded phrase creates a mood
thoughts on fast food industries?
Water exists as a simple molecule. Describe the bonding present in water and how the electrons are involved in these bonds.
Fossil fuel and nuclear plants both heat water in order to turn _____?O A. turbinesO B. solar panelsDO O CO C. reservesD. windmills
(Prompt/ Pre- Writting ) Was President Roosevelt justified in ordering Executive Order 9066, which resulted in the internment of Japanese American citizens?
