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

Emllyk

Evaluate the expression, using the given value of the variable. 3 – 7x + 2x when x = 3 A. –30 B. –12 C. –18 D. –24

  • 3 months ago
  • 3 months ago

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

    it is going to look like this right: 3 - 7 * 3 + 2 * 3

    • 3 months ago
  2. Emllyk
    Best Response
    You've already chosen the best response.
    Medals 0

    i think so... idk my math grades went down hill after 5th grade so i have no idea

    • 3 months ago
  3. PigPresident
    Best Response
    You've already chosen the best response.
    Medals 0

    what grade r u in?

    • 3 months ago
  4. Emllyk
    Best Response
    You've already chosen the best response.
    Medals 0

    7th...

    • 3 months ago
  5. PigPresident
    Best Response
    You've already chosen the best response.
    Medals 0

    i am in 7th grade and math is my best subject...

    • 3 months ago
  6. PigPresident
    Best Response
    You've already chosen the best response.
    Medals 0

    oh COOL!!

    • 3 months ago
  7. Emllyk
    Best Response
    You've already chosen the best response.
    Medals 0

    Im a nerd in ALL other classes tho its just when the alphabet became a grade i paniced

    • 3 months ago
  8. PigPresident
    Best Response
    You've already chosen the best response.
    Medals 0

    try evaluating what i told u just TRY

    • 3 months ago
  9. Emllyk
    Best Response
    You've already chosen the best response.
    Medals 0

    I just need the answer tho

    • 3 months ago
  10. froggyfroggy
    Best Response
    You've already chosen the best response.
    Medals 0

    hmm

    • 3 months ago
  11. PigPresident
    Best Response
    You've already chosen the best response.
    Medals 0

    ohh dont worry u will get better trust me.. just like me in 4th grade i was always getting f and d's i promise..

    • 3 months ago
  12. PigPresident
    Best Response
    You've already chosen the best response.
    Medals 0

    just try

    • 3 months ago
  13. Emllyk
    Best Response
    You've already chosen the best response.
    Medals 0

    umm 15

    • 3 months ago
  14. Emllyk
    Best Response
    You've already chosen the best response.
    Medals 0

    I HAVE NO CLEAR IDEA MY MIND IS FOGGED

    • 3 months ago
  15. PigPresident
    Best Response
    You've already chosen the best response.
    Medals 0

    let me try it..

    • 3 months ago
  16. PigPresident
    Best Response
    You've already chosen the best response.
    Medals 0

    remember PEMDAS

    • 3 months ago
  17. Emllyk
    Best Response
    You've already chosen the best response.
    Medals 0

    sorry caps

    • 3 months ago
  18. PigPresident
    Best Response
    You've already chosen the best response.
    Medals 0

    follow that order

    • 3 months ago
  19. Emllyk
    Best Response
    You've already chosen the best response.
    Medals 0

    what on this great planet is that?

    • 3 months ago
  20. PigPresident
    Best Response
    You've already chosen the best response.
    Medals 0

    P Parentheses first E Exponents (ie Powers and Square Roots, etc.) MD Multiplication and Division (left-to-right) AS Addition and Subtraction (left-to-right) WOAH U NEVER LEARNED IT WOW!!

    • 3 months ago
  21. Emllyk
    Best Response
    You've already chosen the best response.
    Medals 0

    i WAS smart in gt to its math kicks me un the hind end...

    • 3 months ago
  22. DontLikeMathButOhWell
    Best Response
    You've already chosen the best response.
    Medals 1

    3-7(3)+2(3) PEMDAS -7 x 3 = -21 3-21+2(3) 2 x 3 = 6 3-21+6 = -12 Your answer is B

    • 3 months ago
  23. PigPresident
    Best Response
    You've already chosen the best response.
    Medals 0

    yup u r correct bc a negative * a Positive is A Negative

    • 3 months ago
  24. Emllyk
    Best Response
    You've already chosen the best response.
    Medals 0

    thank you soo much

    • 3 months ago
  25. Emllyk
    Best Response
    You've already chosen the best response.
    Medals 0

    sorry got mad...

    • 3 months ago
  26. PigPresident
    Best Response
    You've already chosen the best response.
    Medals 0

    what?

    • 3 months ago
  27. PigPresident
    Best Response
    You've already chosen the best response.
    Medals 0

    ok

    • 3 months ago
  28. Emllyk
    Best Response
    You've already chosen the best response.
    Medals 0

    pig presedent i have no idea what u said about please excuse my dear aunt sally

    • 3 months ago
  29. Emllyk
    Best Response
    You've already chosen the best response.
    Medals 0

    Evaluate the expression, using the given value of the variable. z ÷ 2 – 4z + 3(z – 3) when z = 8 A. –17 B. –13 C. –7 D. –1 this one :D

    • 3 months ago
  30. PigPresident
    Best Response
    You've already chosen the best response.
    Medals 0

    just look at this site http://www.mathsisfun.com/operation-order-pemdas.html

    • 3 months ago
  31. Emllyk
    Best Response
    You've already chosen the best response.
    Medals 0

    i cant other sights are blocked.

    • 3 months ago
  32. PigPresident
    Best Response
    You've already chosen the best response.
    Medals 0

    oh like me too...my parents r like that

    • 3 months ago
  33. PigPresident
    Best Response
    You've already chosen the best response.
    Medals 0

    but this is school related

    • 3 months ago
  34. Emllyk
    Best Response
    You've already chosen the best response.
    Medals 0

    cant mom doesnt want me 2

    • 3 months ago
  35. PigPresident
    Best Response
    You've already chosen the best response.
    Medals 0

    ok

    • 3 months 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.