04-07-2021
Mathematics

contestada

Can someone help solve this one ? I can’t solve it and it would be very helpful if you can explain thanks you.

Can someone help solve this one I cant solve it and it would be very helpful if you can explain thanks you class=

Respuesta :

04-07-2021

Hello,

Let's say y= log(x) in base 10.

[tex]\\y=log(x)\\\\log^2(x)-3log(x)-4=0\\\\y^2-3y-4=0\\\\\Delta=9+16=5^2\\\\y=4\ or\ y=-1\\\\log(x)=4 \Longrightarrow x=10^4\\\\or\\\\log(x)=-1 \Longrightarrow x=10^{-1}=0.1\\[/tex]

Answer Link

Otras preguntas

What is the circumference of the earth?

When we communicate through body movement, we use (Points : 1) kinesics. chronemics. verbal communication. artifacts.

Describe an unlimited government

3y + 4 = 19 solve this

how do you write 82,340,625 in word from

you are in the locker room getting ready for physical education class. the class is playing volleyball today. your friends are being negative and keep repeating

is the alien theory a scientific claim? why or why not?

A shop recorded total sales of $2,000 on Monday. On Tuesday, its sales fell by 10%. On Wednesday, sales fell by another 20% compared with Tuesday. From Wednesda

what are the great lakes names

If you convinced your principal to cancel an assembly because of a political concern, what would this situation be an example of?