markisicsanel55 markisicsanel55

02-04-2020
Mathematics

contestada

Determine the solution to the exponential equation 8^x +1 = 2^x - 5. Explain how
you know that the value you obtain is the solution to the equation.

Respuesta :

ghanami ghanami

02-04-2020

Answer:

x=-4

Step-by-step explanation:

hello :

8=2^3 so : 8^x=(2^3)^(x+1) = 2^(3x+3)

8^(x +1) = 2^(x - 5) means : 2^(3x+3) = 2^(x - 5)

3x+3 = x -5

2x = -8

x=-4

Answer Link

Otras preguntas

a waxy coating on a desert plant’s leaves prent it from: a-germinating too quickly. b-being eaten by thirsty animals. c-losing water. d- both (a) & (c)

Please help me with history Anyone

I need help with question C & D.

Why did the framers of the constitution create a national Judiciary

How does Rosa parks help the reader understand her emotions in the excerpt?

( I NEED THIS FAST)A speedometer has a percent error of 10%. The actual speed of the car is 40 mph. Select from the drop-down menus to correctly complete the s

Use an equation to find the value of k so that the line that passes through the given points has the given slope. ( 4,−4), (k,−1); slope=34

Which answer best describes the complex zeros of the polynomial function? f(x)=x^3+x^2−8x−8 The function has two real zeros and one nonreal zero. The graph of t

This question is for friends(Guess) What color are my eyes? Blue Red Green Hazel Brown Gray or Black?

wich question could be tested in a scientific manner?