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aubreyk9616

Can someone please help me out, im not asking for an answer. solve the inequality. graph the solution. 5r+4 ≤ 5

  • 7 months ago
  • 7 months ago

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  1. Coolsector
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    so you want to have only r on one side. subtract 4 from both sides and then divide both sides by 5. what do you get ?

    • 7 months ago
  2. aubreyk9616
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    \[r \ge 1/5\]

    • 7 months ago
  3. Coolsector
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    good

    • 7 months ago
  4. Coolsector
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    the graph will look like : |dw:1378306008085:dw|

    • 7 months ago
  5. Coolsector
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    the circle of 1/5 is full since r is also equal 1/5

    • 7 months ago
  6. aubreyk9616
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    I see, thank you so much :)

    • 7 months ago
  7. Coolsector
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    if we would have r > 1/5 the circle was blank

    • 7 months ago
  8. satellite73
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    hmm looks like you switched the inequality for some reason

    • 7 months ago
  9. Coolsector
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    @satellite73 is correct !

    • 7 months ago
  10. satellite73
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    if you started with \[5r+4\leq 5\] then you should end up with \[r\leq \frac{1}{5}\]

    • 7 months ago
  11. Coolsector
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    havent noticed sorry.

    • 7 months ago
  12. satellite73
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    "less than or equal to" keep the inequality the same (unless you multiply by a negative number, then switch it)

    • 7 months ago
  13. aubreyk9616
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    ohh I though you where supposed to, I got what I did wrong your only supposed to switch with a negative

    • 7 months ago
  14. Coolsector
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    so the answer r<= 1/5 the graph will be :

    • 7 months ago
  15. Coolsector
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    |dw:1378306304230:dw|

    • 7 months ago
  16. Coolsector
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    again, im sorry for that. i havent noticed.

    • 7 months ago
  17. aubreyk9616
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    |dw:1378306331410:dw|

    • 7 months ago
  18. aubreyk9616
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    at least tryed drawing it didn't work out to well

    • 7 months ago
  19. Coolsector
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    it is ok if the bold starts at +1/5

    • 7 months ago
  20. aubreyk9616
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    okay, thank you for your help.

    • 7 months ago
  21. Coolsector
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    yw

    • 7 months ago
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