Tyanniaswagg55 Tyanniaswagg55

25-04-2017
Mathematics

contestada

log4 x + log4(x-12)= 3

Respuesta :

Аноним Аноним

25-04-2017

log4(x+12)+log4x=3
log4(x(x+12))=3
log4(x^2+12x)=3
4^3=x^2+12x
64=x^2+12x
x^2+12x-64=0
(x+16)(x-4)=0
x=4

Answer Link

Otras preguntas

I need help as soon as possible. “Ben bunu yapmayacağım . . . I will not do that. He can’t have my shoes, he stole my guitar!” Erkan’s eyes looked impudent bene

What is the theme of the article sometimes a dream needs a push

Apple produce pays it's employees by the formula P(b)=7/2b+35, where P(b) is the employee's total daily pay and b is the number of bushels of apples picked . A

Type the correct answer in the box. Spell the words correctly. In which career field, would the Computing Technology Industry Association's CompTIA A+ certifica

A solid oblique pyramid has a square base with edges measuring x cm. The height of the pyramid is (x + 2) cm. A solid oblique pyramid has a square base with edg

When blending substances and you do so unevenly, you can describethe mixture as:a. Homogeneousb. HeterogeneousC. Homeostasis

Using this population pyramid, which statement is correct? A) The population grown rate is increasing. B) People in India do not live past the age of 70. C

A sequence is defined by the recursive formula f(n+1)=f(n)-2. If f(1)=18, what is f(5)?

This employer has been advised by their benefits broker to install a voluntary benefits program. Employees will be offered the chance to purchase various types

A school board wishes to know the current mean reading level of 6th graders throughout a very large school district. Past experience shows that the standard dev