THoover09
THoover09
11-03-2016
Mathematics
contestada
What is the solution of log3x − 725 = 2?
Respuesta :
apologiabiology
apologiabiology
11-03-2016
so remember
[tex] log_{a}x=y [/tex] means a^y=x so
[tex] log_{3x-7}25=2 [/tex] means (3x-7)^2=25
(3x-7)^2=25
square root both sides
3x-7=+/-5
3x-7=5
3x-7=-5
add 7
3x=12
3x=2
divide 3
x=4
x=2/3
x=4 or 2/3
Answer Link
VER TODAS LAS RESPUESTAS ( 51+ )
Otras preguntas
Characteristics of canals ?
Donnie used a calculator to find the product of a mixed number and 3. He pressed 4 instead of three and obtained an answer of 55. What should the correct answer
Why did humans overhunt the Caribbean monk seal to extinction? Question 3 options: for their fur for their blubber for their bones for their flippers
An item at a consignment shop is marked down 10% each week until it sells. A dress originally priced at $150 sells during the seventh week
Solve for all values of x by factoring x2-8x-6=-6
In Act 1 Scene 1 Horatio states his opinion of the Ghost: In what particular thought to work I know not, But in the gross and scope of mine opinion This bodes s
Read the email below and answer the following question. He has to try on suits for prom. ¡Hola! ¿Cómo estás? Yo estoy un poco cansado hoy. Siempre me acuesto te
g(t)=-3t^2+2t-5 and h(t)=4t+3 Find: h(t)-g(t) , g(3)+h(3) , (g-h)(2) , g(-1)-h(2) , (g•h)(3) , g(2)+h(4) , g(1)•h(-1)
I need help with this problem
How do relationships influence a person’s actions?
