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Tabbiejack

Which ordered pair is a solution of the inequality? y≥4x - 5 A. (3, 4) B. (2, 1) C. (3, 0) D. (1, 1)

  • 11 months ago
  • 11 months ago

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  1. jim_thompson5910
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    plug each point into the inequality if you get a true inequality, then that point is in the solution set

    • 11 months ago
  2. jim_thompson5910
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    for example, let's check choice A y≥4x - 5 4≥4*3 - 5 4≥12 - 5 4≥7 which is FALSE, so (3, 4) is NOT a solution So choice A is out

    • 11 months ago
  3. Tabbiejack
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    ok I suck at this really bad

    • 11 months ago
  4. jonsysibye
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    |dw:1367555610977:dw| it would be all points on that line as well as all points above the line I believe

    • 11 months ago
  5. jim_thompson5910
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    well just practice practice practice and you'll get better

    • 11 months ago
  6. Tabbiejack
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    I am a mom trying to help my 13yr old

    • 11 months ago
  7. Tabbiejack
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    What is the answer?

    • 11 months ago
  8. jim_thompson5910
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    follow the steps I did to check choice A to check the other choices

    • 11 months ago
  9. jim_thompson5910
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    you're looking for an inequality that's true when you plug in the given point

    • 11 months ago
  10. jonsysibye
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    well good luck I am pretty sure that the teacher will want the line thing I'm not sure it depends on what was taught but the answers will be D

    • 11 months ago
  11. Tabbiejack
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    I don't tell the answers I just check to know if her work is right I have a degree but I have done this in years.

    • 11 months ago
  12. jonsysibye
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    The answer should be D because \[1\ge4(1)-5\]

    • 11 months ago
  13. Tabbiejack
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    are you sure you got C

    • 11 months ago
  14. Tabbiejack
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    she got C

    • 11 months ago
  15. jonsysibye
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    when you use c you get \[0\ge4(3)-5\] \[0\ge7\] Which isn't true so I am pretty positive it is D

    • 11 months ago
  16. Tabbiejack
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    Thanks she just puts anything down...

    • 11 months ago
  17. jonsysibye
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    No problem I'm glad I could help

    • 11 months ago
  18. Tabbiejack
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    A. (3, 4) B. (2, 1) C. (3, 0) D. (1, 1)

    • 11 months ago
  19. Tabbiejack
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    so D

    • 11 months ago
  20. jonsysibye
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    Yes D

    • 11 months ago
  21. Tabbiejack
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    I have another question she go 2 more wrong can I trouble you?

    • 11 months ago
  22. jonsysibye
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    go right ahead

    • 11 months ago
  23. Tabbiejack
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    How many solutions does the system have? x = -4y + 4 2x + 8y = 8 A. one solution B. two solutions C. infinitely many solutions D. no solution

    • 11 months ago
  24. jonsysibye
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    it should be infinitely many because if you put them into slope intercept form they are the same line

    • 11 months ago
  25. Tabbiejack
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    so c

    • 11 months ago
  26. jonsysibye
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    Yes

    • 11 months ago
  27. Tabbiejack
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    ok last 1

    • 11 months ago
  28. jonsysibye
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    I'm ready

    • 11 months ago
  29. Tabbiejack
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    The local zoo has two water tanks for the elephant exhibit that are leaking One water tank contains 12 gal of water and is leaking at a constant rate of 3 gal/h. The second water tank contains 8 gal of water and is leaking at a constant rate of 5 gal/h. When will the two tanks have the same amount of water? Explain. Let x = the number of hours the tanks are filling and let y = the number of gallons in the tank. A. In 2 hours, because the solution to the system is (2,18). B. They will never have the same amount of water because the solution to the system is (–2,18). It is not possible to have time be –2 hours. C. In –2 hours, because the solution to the system is (–2,18). D. They will never have the same amount of water because the solution to the system is (–2,18). It is not possible to have –2 gallons in the tanks.

    • 11 months ago
  30. jonsysibye
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    |dw:1367556917704:dw| the answer is B because we can't have negative time

    • 11 months ago
  31. Tabbiejack
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    you are a gem

    • 11 months ago
  32. Tabbiejack
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    I will open another so a can give another medal

    • 11 months ago
  33. Tabbiejack
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    I will open another so a can give another medal

    • 11 months ago
  34. jonsysibye
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    Thank you

    • 11 months ago
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