ginadesor7208 ginadesor7208
  • 03-07-2017
  • Mathematics
contestada

Solve 2 log x = log 64.
A. x = 8
B. x = ±8
C. x = 32
D.x = 128

Respuesta :

tonb
tonb tonb
  • 06-07-2017
2 log x is the same as log x².
So x²=64, so x=8. Not -8 because log of negative number is undefined.

Answer A.
Answer Link

Otras preguntas

We want to know if money affects happiness. We surveyed 20 people one week before they were notified of winning a large publishers clearing house sweepstakes an
I need help on this question someone please help
I mix together 50.0 mL of 0.100 M NaIO3, 50.00 mL of 0.100 M NaOH, and 10.0 mL of 0.100 M HIO3. What is the pH of the mixture
A rectangle has a perimeter of 46 cm with a length of 12 cm. What is its width
what are the x- intercepts of the function f(x)= -2x-3+20?
A girl walked 6km from her house to a market and discovered that she had covered 4/5 of the distance to the market how far is the market from her house
Tartaric acid is the white, powdery substance that coats sour candies such as Sour Patch Kids. Combustion analysis of a 12.01-gg sample of tartaric acid, which
one car accelerates at half the rate of another how much longer does it take the first car to travel a quarter mile
10. Write a three-paragraph essay in which you discuss the three main uses and intended purposes of symbolism in the art you have studied: political, religious,
how did militarism in europe threaten peace on the continent