28-04-2015
Mathematics

contestada

what is the log 5x=log (2x+9)

Respuesta :

crisforp crisforp

28-04-2015

5x = 2x + 9, where 5x > 0 and 2x + 9 > 0 ;
Then, 3x = 9 ;
Then, x = 3 ;
Verify : 5 × 3 = 2 × 3 + 9 ;correct !
5 × 3 > 0 ; correct !
2 × 3 + 9 > 0; correct !

Answer Link

Otras preguntas

joel has twice as many CDs as Mariella has. subtracting 7 from the number of cds joel has and dividing by 3 equals the number of cds Blake has. If blake has 25

It takes 56.5 kilojoules of energy to raise the temperature of 150 milliliters of water from 5°C to 95°C. If you use an electric water heater that is 60% effici

Describe an early monotreme mammal.

if you could live on the moon through one lunar cycle , how would you experience the phases of the moon? would you see the earth going through phases? plz expla

Sally has twice as many dimes as nickels. The total value is $3.50 how many nickels and dimes does she have?

In a certain class, 40% of the students are girls, and 20% of the girls wear glasses. What percent of the children in the class are girls who wear glasses?

What is the perimeter of a triangle which sides measure 6, 8, and 10 inches?

joel has twice as many CDs as Mariella has. subtracting 7 from the number of cds joel has and dividing by 3 equals the number of cds Blake has. If blake has 25

Y= x^3 + 64 Y=x^3 - 1000 Both need factored!

express the indicated likelihood as a probability values between 0 and 1.question: Ben Franklin said that death is a certainty of life

ACCESS MORE