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polski1226

  • 3 years ago

HELP IT'S REALLY EASY The profit depends on the amount x that you charge for a box. The equation p= -0.5x^2 + 25x - 150 models the profit. What's the smallest amount that can be charged to make a profit of at least $125?

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  1. polski1226
    • 3 years ago
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    @jim_thompson5910

  2. polski1226
    • 3 years ago
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    @AGummiBear55

  3. polski1226
    • 3 years ago
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    @Joshyface

  4. polski1226
    • 3 years ago
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    CMON @Joshyface YOU WERE TYPING I HELPED YOU LOL please

  5. polski1226
    • 3 years ago
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  6. ashlynn143
    • 3 years ago
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    @Joshyface

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    • 3 years ago
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    @BradNasty come on please

  8. polski1226
    • 3 years ago
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    THANK YOU. cmon someone help

  9. polski1226
    • 3 years ago
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    @jim_thompson5910 I KNOW UR ON

  10. polski1226
    • 3 years ago
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  11. inkyvoyd
    • 3 years ago
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    p= -0.5x^2 + 25x - 150 seek smallest value of x such that p>=125 does that make sense?

  12. polski1226
    • 3 years ago
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    noo :(

  13. inkyvoyd
    • 3 years ago
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    You want -0.5x^2 + 25x - 150 >=125. Solve the quadratic inequality and eliminate extraneous solutions.

  14. polski1226
    • 3 years ago
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    lemme try and do it WAIT HERE lol

  15. Firejay5
    • 3 years ago
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    16 = $122

  16. Firejay5
    • 3 years ago
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    I am not for sure if it's right though

  17. polski1226
    • 3 years ago
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    okay so did you factor it?

  18. Firejay5
    • 3 years ago
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    me, no I type it into my graphing calculator and that's what I got

  19. inkyvoyd
    • 3 years ago
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    0.5x^2 + 25x - 150 >=125 x^2+50x-300>=250 (x^2+50x+625)>=550+625 (x+25)^2>=1175

  20. polski1226
    • 3 years ago
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    and you did it like this is it correct?

  21. inkyvoyd
    • 3 years ago
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    it might be it might not be. That's what you have to judge.

  22. polski1226
    • 3 years ago
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    so What's the smallest amount that can be charged to make a profit of at least $125

  23. inkyvoyd
    • 3 years ago
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    You asked me the answer? Don't do that. It's 235.2

  24. polski1226
    • 3 years ago
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    so its wrong?

  25. inkyvoyd
    • 3 years ago
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    Figure out the answer for yourself.

  26. polski1226
    • 3 years ago
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    I don't know what to do though.

  27. inkyvoyd
    • 3 years ago
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    p= -0.5x^2 + 25x - 150 seek smallest value of x such that p>=125 does that make sense? you said that doesn't make sense - what part of it doesn't make sense?

  28. polski1226
    • 3 years ago
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    nevermind i got it

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