Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

LaynaMae Group Title

Help please ?

  • one year ago
  • one year ago

  • This Question is Closed
  1. LaynaMae Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    • one year ago
  2. LaynaMae Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    @ganeshie8 I only have 4 more questions ! D:

    • one year ago
  3. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    good :)

    • one year ago
  4. LaynaMae Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Yay so you're willing to help ? :)

    • one year ago
  5. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    yes why not for a brilliant student like u, its easy to explain :)

    • one year ago
  6. LaynaMae Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Great ! Thank you so so much ! You have no idea how much I appreciate it :)

    • one year ago
  7. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    ok, so Juliana has $24 in her pocket. and she wants to knw how many text messages she can send

    • one year ago
  8. LaynaMae Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Right

    • one year ago
  9. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    she knows that \(f(x) = (3x+2)/4 \) gives the cost, when u put number of messages x into the equation

    • one year ago
  10. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    for example, if u have texted 10 messages cost wud be :- f(10 ) = (3(10)+2)/4 = 32/4 = 8 so it wil cost u $8 just to text 10 msgs... pretty costly !!

    • one year ago
  11. LaynaMae Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Okay makes sense !

    • one year ago
  12. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    but thats not wat we want, here our task is to find a function, into which we can plugin the MONEY we have, and it should tell us how many TEXTS we can message

    • one year ago
  13. LaynaMae Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    I tried working it out and got 18.5 ..

    • one year ago
  14. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    right ?

    • one year ago
  15. LaynaMae Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    I think I'm getting ahead of myself here haha i apologize

    • one year ago
  16. LaynaMae Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    And yes , right :)

    • one year ago
  17. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    its okay, but 18.5 messages for $24 doesnt look correct

    • one year ago
  18. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    let me show u how to do this step by step

    • one year ago
  19. LaynaMae Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Please and thank you !

    • one year ago
  20. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    given equaiton :- \(y = f(x) = (3x+2)/4 \) here, x is number of texts, y is dollars

    • one year ago
  21. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    since you wanto know how many texts u can send, you need to solve x above.

    • one year ago
  22. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    \(y = (3x+2)/4\) solve x

    • one year ago
  23. LaynaMae Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    How would I start off ?

    • one year ago
  24. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    multiply 4 both sides

    • one year ago
  25. LaynaMae Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    4(3x+2) ?

    • one year ago
  26. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    \(y = (3x+2)/4\) multiply 4 both sides \(4y = 3x+2\)

    • one year ago
  27. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    next, subtract 2 both sides

    • one year ago
  28. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    \(y=(3x+2)/4 \) multiply 4 both sides \(4y=3x+2\) subtract 2 both sides \(4y-2 = 3x\) divide 3 both sides \(\large \frac{4y-2}{3} = x\)

    • one year ago
  29. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    now, replace x and y (just do it, il tell you later why :))

    • one year ago
  30. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    replace x & y \(\large \frac{4x-2}{3} = y \) \(\large y = \frac{4x-2}{3} \)

    • one year ago
  31. LaynaMae Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Isn't it to put the equation in the correct form ?

    • one year ago
  32. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    thats the required function, where u need to plugin x=$24, and it gives u number of text messages u can send !

    • one year ago
  33. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    exactly ! you're right, we replace x and y, to put the function in right form :)

    • one year ago
  34. LaynaMae Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Yay :D

    • one year ago
  35. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    put x = 24, and see how many messages she can send

    • one year ago
  36. LaynaMae Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Wait so that's the answer ?

    • one year ago
  37. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    yes thats the required function ! since the question wants u to explain, explain wat we did so far :)

    • one year ago
  38. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    btw, for $24, she can send :- \(\large y = \frac{4x-2}{3}\) \(\large y = \frac{4(24)-2}{3}\) \(=33\)

    • one year ago
  39. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    sorry, that should be 31, so she can send 31 messages

    • one year ago
  40. LaynaMae Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    So with $24 she can send 33 text messages ?

    • one year ago
  41. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    *31

    • one year ago
  42. LaynaMae Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Oh okay :) So everything we just worked through is the answer basically ? Because it says to put in complete sentences

    • one year ago
  43. ganeshie8 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    yes ! ima hav dinner... brb :)

    • one year ago
  44. LaynaMae Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Haha okay !

    • one year ago
    • Attachments:

See more questions >>>

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.