shannonwegley shannonwegley

22-01-2020
Advanced Placement (AP)

contestada

What is a solution for the equation 2-3^-x=-1

Respuesta :

sanehib sanehib

22-01-2020

Answer:

x= - ln 5 / ln 3

Explanation:

2-3^-x=-1

-3^-x=-5 (Subtract two from each side)

3^-x=5 (Divide by -1)

-x (ln 3)= ln 5 (Take the natural log of each side, -x comes down to the front)

-x=ln 5 / ln 3

x= -(ln 5 / ln 3) --> x= - ln 5/ ln3

Answer Link

Otras preguntas

Simplify the expression as much as possible. sin(2x)cos(x)

The ancient Chinese were eager to share the art of silk production with other cultures. A. True B. False meadel

If a number is added to the numerator of 4/9 and twice as much is subtracted from the denominator, the result is -9. Find the number

How did trade affect Sumerian sociaty?

what's 00.5 in a fraction?

The slope of a ramp from the sidewalk to the street has to be 1/20. The height of a ramp is 2.5 inches. What is the horizontal length (in inches) of the ramp?

What led Adolfo hittler to order German submarines to attack American ships?

a ball rebounds one-half the distance that it falls. If the ball is dropped from a height of 512 feet how high does it go on its 8th rebound?

why did so many African Americans migrate north throughout the 1920s? A.) for the milder climate B.)for a chance at a better future C.)to save money D.)to serv

Choose the equation of the horizontal line that passes through the point (-8,-7),