treehouse99
treehouse99 treehouse99
  • 22-07-2020
  • Mathematics
contestada

is this right?? please help!

is this right please help class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 04-08-2020

Answer:

  6 < x < 8

Step-by-step explanation:

The compound inequality in this instance represent the "and" condition, not the "or" condition.* We might solve it like this.

  -47 > 1 -8x > -63 . . . . given

Multiply by -1:

  47 < -1 +8x < 63

Add 1:

  48 < 8x < 64

Divide by 8:

  6 < x < 8

______

* You can tell this is the case by looking at the ends of the given statement:

  -47 > -63 . . . . a true statement, so the solution set will be an intersection, not a union.

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