ppallone92 ppallone92

24-08-2017
Mathematics

contestada

Solve 7log9(x + 8) = 7

Respuesta :

apologiabiology apologiabiology

24-08-2017

remember
[tex]log_a(b)=c[/tex] translates to [tex]a^c=b[/tex]

alrighty

so we've got
[tex]7log_9(x+8)=7[/tex]
divide both sides by 7
[tex]log_9(x+8)=1[/tex]
translate
[tex]9^1=x+8[/tex]
9=x+8
minus 8 both sides
1=x
x=1

Answer Link

Otras preguntas

there are 12 girls and 8 boys what percent of the class are girls

Dr. Mengele was: O A Kapo A Polish dentist O A SS officer in charge of selection O A victim of the selection

Please help please i will mark you brainliest

The perimeter of the rhombus is 40 cm and the cosine of the acute angle is √19 / 10. Find the height of the rhombus 50 points!

These words are found in the

Please help me out and I will mark u brainliest if it is correct

Solve for a, b, and c

-4x -3y =9 and 5x=15 solve by substitution. SHOW WORK PLS

Now that you have completed a series of assignments that have led you into the active project planning and development stage for your project, briefly describe

Unbroken Quick-write: Allusions On page 4 Hillenbrand writes, The ship passed over Nuremberg, where fringe politician Adolf Hitler, whose Nazi Party had been t