princesspayton9
princesspayton9 princesspayton9
  • 01-10-2017
  • Mathematics
contestada

Please help me! And can you explain how you got that answer please?

Please help me And can you explain how you got that answer please class=

Respuesta :

Catya
Catya Catya
  • 01-10-2017
The answer x = -3 is correct ; not really any mistakes made but they do seem to skip a step from 8^(-1) to 2^(-3) if that is confusing you.

8 = 2^(3) 
so
(8)^(-1) = (2^3)^(-1) = 2^(3*-1) = 2^(-3)
Answer Link

Otras preguntas

PLEASE HELP ME I'M CONFUSED.
How is the graph of y = negative RootIndex 3 StartRoot x minus 4 EndRoot transformed to produce the graph of y = negative RootIndex 3 StartRoot 2 x minus 4 EndR
this was an accident? and how do I delete it?
why are people black
Alexis is `56` inches tall. What is her hight in meters
A driver should allow at least how many inches between the driver's chest and the steeringwheel?
What best explains the problem with installment buying ?
Water closet bowls must be of _________ type.a) Elongatedb) Roundc) Squared) Oval
you want to paint your house and buy 5.5 gallons of paint. you use 3/4 of the paint you purchase and then buy another 1.5 gallons. how much paint do you have?
1. 2. 3. A student investigated displacement reactions of metals. The student added different metals to copper sulfate solution and measured the temperature cha