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anonymous

  • one year ago

Help On This LAST Algebra Problem Would Make My Week.

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  1. anonymous
    • one year ago
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    The function H(t) = −16t2 + 60t + 95 shows the height H(t), in feet, of a projectile after t seconds. A second object moves in the air along a path represented by g(t) = 20 + 38.7t, where g(t) is the height, in feet, of the object from the ground at time t seconds. Part A: Create a table using integers 1 through 4 for the 2 functions. Between what 2 seconds is the solution to H(t) = g(t) located? How do you know? (6 points) Part B: Explain what the solution from Part A means in the context of the problem. (4 points)

  2. anonymous
    • one year ago
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    @jim_thompson5910

  3. anonymous
    • one year ago
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    I'm working on the table

  4. jdoe0001
    • one year ago
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    k

  5. anonymous
    • one year ago
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    i don't think I'm doing it right, can you do the last two on your own while I do them? We check on each others.

  6. jdoe0001
    • one year ago
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    well... try to do the table see what you get... and post it, if you need to, just take a screenshot of it or paste here

  7. anonymous
    • one year ago
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    Time 1 2 3 4 H(t) 411 1239 2579 4431 g(t) 58.7 97.4 136.1 174.8

  8. anonymous
    • one year ago
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    Not sure what I did wrong. I plugged in all the numbers and solved. @jim_thompson5910

  9. anonymous
    • one year ago
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    Unless this is right https://nz.answers.yahoo.com/question/index?qid=20150728100650AAh5ZPo

  10. anonymous
    • one year ago
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    @jdoe0001

  11. jim_thompson5910
    • one year ago
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    I'm not getting those values

  12. anonymous
    • one year ago
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    Hmmm... What should I do?

  13. jim_thompson5910
    • one year ago
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    if t = 1, then h(t) = -16t^2 + 60t + 95 h(1) = -16(1)^2 + 60(1) + 95 h(1) = -16(1) + 60(1) + 95 h(1) = -16 + 60 + 95 h(1) = 139

  14. jim_thompson5910
    • one year ago
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    do the same for t = 2 through t = 4

  15. anonymous
    • one year ago
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    Let's do the second part "Part B: Explain what the solution from Part A means in the context of the problem. (4 points)"

  16. anonymous
    • one year ago
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    @jdoe0001 @jim_thompson5910

  17. anonymous
    • one year ago
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    Part B: The solution for Part A has meaning in the context of the problem by showing how many seconds it would take for both objects to be at the same height.

  18. anonymous
    • one year ago
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    Is that correct?

  19. jdoe0001
    • one year ago
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    yes, I'd say so

  20. jim_thompson5910
    • one year ago
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    yeah the point of intersection represents when h(t) = g(t) at the same time value t

  21. jdoe0001
    • one year ago
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    your table for part A is off though

  22. anonymous
    • one year ago
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    By alot?

  23. jim_thompson5910
    • one year ago
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    look back at how I computed h(1)

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