alexxxxx3 alexxxxx3
  • 26-04-2019
  • Mathematics
contestada

Solve for X for the exponential equation

Solve for X for the exponential equation class=

Respuesta :

Аноним Аноним
  • 26-04-2019

Answer:

C.  x = 1/2.

Step-by-step explanation:

80 = 1.25(1/2)^(-2x-5)

(0.5)^(-2x-5) = 80 / 1.25 = 64

Taking logs (-2x - 5) ln 0.5 = ln 64

-2x - 5 = ln.4 / ln 0.5 = -6

-2x = -1

x = 1/2.

Answer Link

Otras preguntas

What’s the answer ...?
What is (x+a)^2 form called
2|x+7|-10>14 Inequality
why is civic duty important
1/3 plus -2 1/4 equals what
The Wyatt family use of a 1/2 gallon jug of milk every three days at what rate do they drink milk?
Besides the Jews, who did Hitler believe to be harmful to Germany's pureness and strength? criminals those with mental/physical disabilities alcoholics none of
How do you think multiplication of positive and negative integers is related to multiplication with positive and negative fractions?
Which equation describes the line that goes through the point (- 5, 1) and has a slope of 1? A. y + 1 = x - 5 B. y + 5 = x - 1 C. y - 1 = - 5(x - 1) D.y y - 1 =
What is the name given to the first ten amendments of the United States Constitution, that guarantee the basic rights of citizens? Articles of Confederation Dec