anonymous
  • anonymous
Solve. 8x – 5 ≥ 27 a. x ≥ 4 b. x ≥ 11/4 c. x ≤ 4 d. x ≤ 11/4
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
just like if it was an equal sign solve for x
anonymous
  • anonymous
/\ what he/she said
anonymous
  • anonymous
c?

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More answers

anonymous
  • anonymous
you don't have any negatives that you will multiply or divide both sides by so the greater than or equal to sign will not move.
anonymous
  • anonymous
anonymous
  • anonymous
8x - 5 ≥ 27 + 5 +5 (Add 5 to both side) 5+5 cancels out, you now have 8x/8 and 32/5. So, C. c. x ≤ 4
anonymous
  • anonymous
\[8x-5\ge27 \] +5 +5 \[8x \ge32\] divide both sides by 8 \[x \ge32/8\] x\[\ge4\]
anonymous
  • anonymous
if it was a negative 8"" instead of positive then you would..... \[-8x \ge32\] divide by -8 \[x \le32\div-8\] \[x \le-4\]
anonymous
  • anonymous
thanks do you know how to graph for the inequality?
anonymous
  • anonymous
–3x > 24
anonymous
  • anonymous
do the same thing and divide both sides by (-3) "this flips the sign the other way" \[x <-8\] now i'm pretty sure it doesn't want you to graph it on a plot but i'll show you both that and number line
anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
|dw:1358479651620:dw|
anonymous
  • anonymous
basically that shows the line and that everything to the left of it is where x is
anonymous
  • anonymous
|dw:1358479785832:dw|
anonymous
  • anonymous
open circle or closed?
anonymous
  • anonymous
open circle
anonymous
  • anonymous
that is on the number line and the closed circle means it does not exactly touch 8, but "x"=every number before -8. even. -7.9999999999 etc
anonymous
  • anonymous
thnx i have another
anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
anonymous
  • anonymous
thnx
anonymous
  • anonymous
no problem

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