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

katlin95

Which of the following is equivalent to the proportion 2/3=3/y? A. 3y = (2)(3) B. 2y = (2)(3) C. 2y = (3)(3) D. 3y = (3)(3)

  • one year ago
  • one year ago

  • This Question is Closed
  1. katlin95
    Best Response
    You've already chosen the best response.
    Medals 1

    @jim_thompson5910 i stuck

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

    Hint: You can cross multiply here.

    • one year ago
  3. jim_thompson5910
    Best Response
    You've already chosen the best response.
    Medals 1

    when you cross multiply 2/3=3/y what do you get?

    • one year ago
  4. katlin95
    Best Response
    You've already chosen the best response.
    Medals 1

    no solution

    • one year ago
  5. jim_thompson5910
    Best Response
    You've already chosen the best response.
    Medals 1

    a/b = c/d cross multiplies to a*d = b*c

    • one year ago
  6. katlin95
    Best Response
    You've already chosen the best response.
    Medals 1

    y =9/2

    • one year ago
  7. jim_thompson5910
    Best Response
    You've already chosen the best response.
    Medals 1

    dont' completely solve for y though

    • one year ago
  8. jim_thompson5910
    Best Response
    You've already chosen the best response.
    Medals 1

    just do this first step of cross multiplication

    • one year ago
  9. katlin95
    Best Response
    You've already chosen the best response.
    Medals 1

    2y=9

    • one year ago
  10. jim_thompson5910
    Best Response
    You've already chosen the best response.
    Medals 1

    better, but that 9 can be written as what

    • one year ago
  11. katlin95
    Best Response
    You've already chosen the best response.
    Medals 1

    9x

    • one year ago
  12. jim_thompson5910
    Best Response
    You've already chosen the best response.
    Medals 1

    9 = 9*1 9 = something * something what goes in the place of "something" ?

    • one year ago
  13. katlin95
    Best Response
    You've already chosen the best response.
    Medals 1

    2y= (3)(3)

    • one year ago
  14. jim_thompson5910
    Best Response
    You've already chosen the best response.
    Medals 1

    you got it

    • one year ago
  15. katlin95
    Best Response
    You've already chosen the best response.
    Medals 1

    Which of the following is equivalent to the proportion 3/4=x/12

    • one year ago
  16. jim_thompson5910
    Best Response
    You've already chosen the best response.
    Medals 1

    I'm assuming there are choices post them please and tell me which one you got

    • one year ago
  17. katlin95
    Best Response
    You've already chosen the best response.
    Medals 1

    A. 4/3= 12/x B. 3/4= 12/x C. 4/3= x/12 D. 4/12= x/3

    • one year ago
  18. jim_thompson5910
    Best Response
    You've already chosen the best response.
    Medals 1

    which one did you get

    • one year ago
  19. jim_thompson5910
    Best Response
    You've already chosen the best response.
    Medals 1

    hint: if a/b = c/d then you can flip both sides to get the equivalent equation b/a = d/c

    • one year ago
  20. katlin95
    Best Response
    You've already chosen the best response.
    Medals 1

    A right?

    • one year ago
  21. jim_thompson5910
    Best Response
    You've already chosen the best response.
    Medals 1

    good, you got it

    • one year ago
  22. katlin95
    Best Response
    You've already chosen the best response.
    Medals 1

    What is the first step that you have to do in order to solve the proportion: 1/3=y/26 A. 8.5 B. 26y = 3 C. y = 3(26) D. 3(y) = 1(26) I got B!:)

    • one year ago
  23. jim_thompson5910
    Best Response
    You've already chosen the best response.
    Medals 1

    B is incorrect

    • one year ago
  24. jim_thompson5910
    Best Response
    You've already chosen the best response.
    Medals 1

    a/b = c/d cross multiplies to a*d = b*c

    • one year ago
  25. katlin95
    Best Response
    You've already chosen the best response.
    Medals 1

    1/3=y/26 26=3y

    • one year ago
  26. jim_thompson5910
    Best Response
    You've already chosen the best response.
    Medals 1

    good, you got it, so that's close to 3(y) = 1(26) you just have to factor and flip the equation

    • one year ago
  27. katlin95
    Best Response
    You've already chosen the best response.
    Medals 1

    so our answer would be D then

    • one year ago
  28. jim_thompson5910
    Best Response
    You've already chosen the best response.
    Medals 1

    correct

    • one year ago
  29. katlin95
    Best Response
    You've already chosen the best response.
    Medals 1

    When movies are being created, the set designers often use miniature models before they create the actual movie set. The set designers for Jurassic Park 3, created a 6 inch high and 4 inch long model dinosaur that represented a 20 feet high dinosaur on the set. How long was the actual dinosaur, rounded to the nearest foot? A. 15 feet B. 13 feet C. 14 feet D. 12 feet

    • one year ago
  30. katlin95
    Best Response
    You've already chosen the best response.
    Medals 1

    I think its B

    • one year ago
  31. jim_thompson5910
    Best Response
    You've already chosen the best response.
    Medals 1

    solve for x 6/20 = 4/x

    • one year ago
  32. katlin95
    Best Response
    You've already chosen the best response.
    Medals 1

    x=40/3

    • one year ago
  33. katlin95
    Best Response
    You've already chosen the best response.
    Medals 1

    ?

    • one year ago
  34. jim_thompson5910
    Best Response
    You've already chosen the best response.
    Medals 1

    which is x = 13.333 in decimal form round this to the nearest whole number to get x = 13

    • one year ago
  35. katlin95
    Best Response
    You've already chosen the best response.
    Medals 1

    so our answer is 13

    • one year ago
  36. jim_thompson5910
    Best Response
    You've already chosen the best response.
    Medals 1

    you got it

    • 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.