manuelguadiana09 manuelguadiana09
  • 14-05-2020
  • Mathematics
contestada

log 10(x + 3) – log 10(x-3) = 1

Respuesta :

Chelboy
Chelboy Chelboy
  • 17-05-2020

Answer:33/9

Step-by-step explanation:

Log10(x+3)-Log10(x-3)=1

Log10((x+3)/(x-3))=1

(x+3)/(x-3)=10^1

(x+3)/(x-3)=10

Cross multiply

x+3=10(x-3)

Open brackets

x+3=10x-30

Collect like terms

10x-x=30+3

9x=33

Divide both sides by 9

9x/9=33/9

x=33/9

Answer Link

Otras preguntas

Question 11 of 44In ADEF, sin D = 36. What is cos E?
Frogs lay spherical eggs that are 1.2 millimeters in diameter. Nutrients are absorbed through the egg's surface. What is the approximate area ofa frog egg's sur
20 POINTS! HURRY!!!!Which expressions are equivalent to 5(1/3x+7)-3(1/3x-4)? Select three options.5 1/3x-3 1/2x+35-121/6x+471 2/3x+36-1 1/2x+ 125(1/3x)+(5)(7)-(
A is the set of even numbers greater than or equal to 4 and less than or equal to 8B=1-29, -25,-24, -22, -21, 22, 27(a) Find the cardinalities of A and B.n(A)=3
Find the intercepts of f(x) = -5(x+3)(x – 4)(x - 2). Enter intercepts as points. If you have more than one point,enter them as a comma separated list.· y-interc
if 1/4 of the class is girls and one half of the girls in the class are wearing dresses what fraction of the class are girls with dresses one eighth 1/6 1/5 1/4
Given the Points A at (2.5) and B at (-8. 1) determine the midpoint of AB
Which expression is equivalent to 0.53n + n + 0.68n?A. -0.21nB. 2.21nC. n+1.21D. 1+1.21n
Vectors u = −10i + 3j and v = −3i − 7j. What is u − v?
hii i'm not sure how to a steam and leaf ploy