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anonymous

  • 5 years ago

hello

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  1. bahrom7893
    • 5 years ago
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    hiya!

  2. anonymous
    • 5 years ago
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    hi

  3. bahrom7893
    • 5 years ago
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    u have a question?

  4. anonymous
    • 5 years ago
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    can you help me? Im stuck on a math problem for school...

  5. bahrom7893
    • 5 years ago
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    post the question here, and i hope its not due tmorrow plz, i gotta go to bed too lol

  6. anonymous
    • 5 years ago
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    Manufactures are installing fewer smaller rims in favor of larger rims. One advantage of bigger rims is that they are better for braking. The following table lists the increase in 16 inch rim sales as a percentage of new vehicle sales for selected years from 1996 to 2002. Sales of 16 inch rims Year 1996, 1998, 2000, 2002 Percentage 28, 36, 43, 51 1)Plot the data in a scatter plot 2)Calculate the slope between consecutive points in the table. Intercept each slope. 3) Find the equation of a line that models the data. (Hint: you may want to use the point- slope form, y-y1=m(x-x1)) 4)Does your line model the data exactly? Could a line model these data exactly? explain 5)Use your equation to write a function P that models these data. 6) Evaluate P (1999) and intercept your results.

  7. anonymous
    • 5 years ago
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    I dont need the whole problem. I only need # 5. I cant figure out what function P means...

  8. bahrom7893
    • 5 years ago
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    u know how ur line is y-y1=m(x-x1), just solve it for y and that will be ur function P

  9. bahrom7893
    • 5 years ago
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    That's it

  10. anonymous
    • 5 years ago
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    Thats what Im stuck on

  11. bahrom7893
    • 5 years ago
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    post the equation that u got

  12. anonymous
    • 5 years ago
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    how do I know what to put in for y and y1 and stuff?

  13. bahrom7893
    • 5 years ago
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    run the linear regression

  14. anonymous
    • 5 years ago
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    Well, Im not really sure what I got. I plotted the info on a graph. Then I determined the intercepts somehow, but I dont know if they are right. Im sorry, Im so stupid with this stuff.

  15. bahrom7893
    • 5 years ago
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    can i just post the answers?

  16. anonymous
    • 5 years ago
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    between 28-36 i got 2/4 or 1/2

  17. anonymous
    • 5 years ago
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    Thts fine. Its a team assignment, so I only need number 5. I just cant figure out how to get there.

  18. anonymous
    • 5 years ago
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    i have been working on this one problem for 4 hours now...

  19. anonymous
    • 5 years ago
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    hello? Are you still here? Anyone? Please..

  20. bahrom7893
    • 5 years ago
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    i am

  21. bahrom7893
    • 5 years ago
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    workin on it

  22. anonymous
    • 5 years ago
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    oh, Im sorry. Thank you so much for your help. I am so frustrated and tired.

  23. bahrom7893
    • 5 years ago
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    so am i, okay ill just use: x = 1996 x1 = 2000 y = 28 y1 = 43

  24. anonymous
    • 5 years ago
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    okay...

  25. bahrom7893
    • 5 years ago
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    M = (28-43)/(1996-2000)

  26. bahrom7893
    • 5 years ago
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    M = -15/-4 = 15/4

  27. bahrom7893
    • 5 years ago
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    y - 43 = (15/4)*(x - 2000)

  28. bahrom7893
    • 5 years ago
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    y = 15x/4 - 7500+43

  29. bahrom7893
    • 5 years ago
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    y = 15x/4 - 7457

  30. bahrom7893
    • 5 years ago
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    P(x) = 15x/4 - 7457 P(1999) = 39.25 (plug in 1999 instead of x)

  31. bahrom7893
    • 5 years ago
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    Please click on become a fan if I helped, thanks!

  32. anonymous
    • 5 years ago
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    Thank you so very much!! Im still not too sure how I explain it, but it has helped me somewhat understand it!

  33. bahrom7893
    • 5 years ago
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    ur welcome!

  34. anonymous
    • 5 years ago
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    are you on this a lot? I may have more question next week?

  35. anonymous
    • 4 years ago
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    what was ur answer on question 3 of this problem

  36. anonymous
    • 4 years ago
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    cos i have the same problem to tackle

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