AV3040 AV3040
  • 26-02-2016
  • Mathematics
contestada

what number multiplied by itself 3 times equals -1000

Respuesta :

wingedruby
wingedruby wingedruby
  • 26-02-2016
-10x-10x-10=-1000. Another way to think of that is the cube root of -1000 is -10. 
Answer Link
facundo3141592
facundo3141592 facundo3141592
  • 17-04-2020

Answer: the number is x = -10

Step-by-step explanation:

We want a number X that when we multiply it by itself 3 times we get -1000

This is:

X*X*X = -1000

X^3 = - 1000

We can apply the cubic root to both sides of the equation, and get:

[tex]\sqrt[3]{x^3} = X = \sqrt[3]{-1000}[/tex]

Then X = -10

And you can prove it by:

-10*-10*-10 = (-10*-10)*-10 = 100*-10 = -1000

Answer Link

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