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anonymous

  • one year ago

WILL FAN + MEDAL FOR 5 QUESTIONS!!!!

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  1. anonymous
    • one year ago
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    Which inequality models this problem? The length of a rectangle is three times its width. If the perimeter is at most 112 centimeters, what is the greatest possible value for the width?

  2. anonymous
    • one year ago
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    @ParthKohli @mathmate @UnkleRhaukus

  3. anonymous
    • one year ago
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    @UnkleRhaukus please help!

  4. anonymous
    • one year ago
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    My choice is D 2w + 2 • (3w) ≥112 2w + 2 • (3w) < 112 2w + 2 • (3w) > 112 2w + 2 • (3w) ≤112

  5. UnkleRhaukus
    • one year ago
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    what is a formula for the perimeter of a rectangle ? ( in term of length l, and width w)

  6. anonymous
    • one year ago
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    No we dont have to solve it

  7. anonymous
    • one year ago
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    We need to make/find the inequality

  8. UnkleRhaukus
    • one year ago
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    The perimeter is \[P = \ell+w+\ell+w = 2\ell + 2w\]

  9. UnkleRhaukus
    • one year ago
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    right ?

  10. anonymous
    • one year ago
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    Am I right???? I think its D because at most is < with _ under it

  11. UnkleRhaukus
    • one year ago
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    hmm, that is a short cut yes

  12. anonymous
    • one year ago
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    Well ueah but I have done the problem and I got D! Also like i said....... The at most sign is < with _ under it

  13. UnkleRhaukus
    • one year ago
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    yeah

  14. anonymous
    • one year ago
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    Ok so am I right?

  15. UnkleRhaukus
    • one year ago
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    yes, yeah, maybe. YES

  16. anonymous
    • one year ago
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    Really dude come on!

  17. anonymous
    • one year ago
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    Yes or No!

  18. UnkleRhaukus
    • one year ago
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    As you say, the only difference between the options is the inequality sign, and ` ≤ ` is the same as ` at most `

  19. anonymous
    • one year ago
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    Which inequality models this problem? Eduardo started a business selling sporting goods. He spent $7500 to obtain his merchandise, and it costs him $300 per week for general expenses. He earns $850 per week in sales. What is the minimum number of weeks it will take for Eduardo to make a profit?

  20. UnkleRhaukus
    • one year ago
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    is this another multiple-choice, where the options are the same up unto the inequality sign?

  21. UnkleRhaukus
    • one year ago
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    Yes / No / Maybe ?

  22. anonymous
    • one year ago
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    300w > 7500 + 850w 850w > 7500 + 300w 850w < 7500 + 300w 850w ≥ 7500 + 300w

  23. anonymous
    • one year ago
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    The choices

  24. UnkleRhaukus
    • one year ago
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    consider the weekly profit : sales - expenses how many week do you need to for the profit weekly profit * weeks to be greater than the cost of the merchandise

  25. anonymous
    • one year ago
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    My choice is A

  26. UnkleRhaukus
    • one year ago
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    Consider, if A were true, would Eduardo ever turn a profit on the business?

  27. anonymous
    • one year ago
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    yes

  28. UnkleRhaukus
    • one year ago
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    how many weeks (w), do you think?

  29. anonymous
    • one year ago
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    15

  30. UnkleRhaukus
    • one year ago
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    let's check A: 300w > 7500 + 850w ? 300(15) > 7500 + 850(15) ? 4500 > 7500 + 12750 ? 4500 > 20250 ?

  31. anonymous
    • one year ago
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    Well how would we get the inequality

  32. UnkleRhaukus
    • one year ago
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    consider the weekly profit : sales - expenses how many week do you need for the profit: weekly profit * weeks to be greater than the cost of the merchandise (sales - expenses)weeks > merchandise

  33. anonymous
    • one year ago
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    C then

  34. UnkleRhaukus
    • one year ago
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    (sales - expenses)weeks > merchandise (sales)weeks - (expenses)weeks > merchandise (sales)w - (expenses)w > merchandise

  35. anonymous
    • one year ago
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    B????? Dude, the 300 is at the end

  36. UnkleRhaukus
    • one year ago
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    how did they get get the + 300w as the last term on most of the options

  37. anonymous
    • one year ago
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    ok I really dont understand

  38. UnkleRhaukus
    • one year ago
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    (sales)w - (expenses)w > merchandise (sales)w > merchandise + (expenses)w

  39. UnkleRhaukus
    • one year ago
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    expenses, right?

  40. anonymous
    • one year ago
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    So it is B

  41. anonymous
    • one year ago
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    Well am i right?

  42. UnkleRhaukus
    • one year ago
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    how many weeks does that correspond to?

  43. anonymous
    • one year ago
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    8?

  44. anonymous
    • one year ago
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    What do we have to do to solve it?

  45. UnkleRhaukus
    • one year ago
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    let's check B: 850w > 7500 + 300w 850(8) > 7500 + 300(8) ? 6800 > 7500 + 2400 ?

  46. anonymous
    • one year ago
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    So its B??

  47. anonymous
    • one year ago
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    Dude you litterally going around everything....

  48. UnkleRhaukus
    • one year ago
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    is 6800 > 7500 + 2400 ? is 6800 > 9900 ?

  49. UnkleRhaukus
    • one year ago
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    Where did you get the figure of 8 weeks from ?

  50. anonymous
    • one year ago
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    6800>9900+12300

  51. UnkleRhaukus
    • one year ago
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    um

  52. anonymous
    • one year ago
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    um what?

  53. UnkleRhaukus
    • one year ago
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    |dw:1443617828799:dw|

  54. anonymous
    • one year ago
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    Ok dude is it B or not!

  55. anonymous
    • one year ago
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    Hello????

  56. anonymous
    • one year ago
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    @UnkleRhaukus

  57. anonymous
    • one year ago
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    hello??????????????????????????

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