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

can you answer this problem?

Which statement best compares these two waves

What is the probability that a randomly selected house with 2 bathrooms has 3 bedrooms? 0.2 0.4 0.6 0.8

Hi, can you please help don't really understand much

Which of the following was not used by the United States and Western Europe to increase political and economic cooperation after World War II? A. the UN B. NATO

to scuttle the conversations” A. continue B. enliven C. begin D. abandon

Which sequence is modeled by the graph below? Coordinates are 1,1 2,2 3,4 4,8

Which of these can lead to one group bearing the blame for others?

what is considered the worlds oldest organized religion?

What was the MAIN reason some political left-wing groups during the 1960s criticized the application of Great Society programs? A) The Great Society ideals see