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Tabbiejack

  • one year ago

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

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

  2. jim_thompson5910
    • one year ago
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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

  3. Tabbiejack
    • one year ago
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    ok I suck at this really bad

  4. jonsysibye
    • one year ago
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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

  5. jim_thompson5910
    • one year ago
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    well just practice practice practice and you'll get better

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

  7. Tabbiejack
    • one year ago
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    What is the answer?

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

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

  10. jonsysibye
    • one year ago
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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. Tabbiejack
    • one year ago
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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.

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

  13. Tabbiejack
    • one year ago
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    are you sure you got C

  14. Tabbiejack
    • one year ago
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    she got C

  15. jonsysibye
    • one year ago
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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

  16. Tabbiejack
    • one year ago
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    Thanks she just puts anything down...

  17. jonsysibye
    • one year ago
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    No problem I'm glad I could help

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

  19. Tabbiejack
    • one year ago
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    so D

  20. jonsysibye
    • one year ago
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    Yes D

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

  22. jonsysibye
    • one year ago
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    go right ahead

  23. Tabbiejack
    • one year ago
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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

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

  25. Tabbiejack
    • one year ago
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    so c

  26. jonsysibye
    • one year ago
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    Yes

  27. Tabbiejack
    • one year ago
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    ok last 1

  28. jonsysibye
    • one year ago
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    I'm ready

  29. Tabbiejack
    • one year ago
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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.

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

  31. Tabbiejack
    • one year ago
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    you are a gem

  32. Tabbiejack
    • one year ago
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    I will open another so a can give another medal

  33. Tabbiejack
    • one year ago
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    I will open another so a can give another medal

  34. jonsysibye
    • one year ago
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    Thank you

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