Welcome to Funny Games

Play top FREE games daily
Register Now

mental maths

Discussion in 'Homework Help' started by kingvimto1235, Jan 28, 2011.

  1. kingvimto1235

    kingvimto1235 n00b

    7
    0
    1
    please help me i need to 5/5*7+9-7 what is the pencentage of your answer

    / means divide


    please give me your answer :rolleyes1:
     
  2. Ftlulz

    Ftlulz Finally given up..

    103
    4
    18
    5/5*7+9-7 (im assuming the "*" means times, as it doesnt really fit to be the power of with the other numbers being so low)

    5/5=1

    1*7+9-7

    1*7=7

    7+9-7=9

    =9
     
  3. gorian1

    gorian1 n00b

    6
    0
    1
    all of that adds up to 9
     
  4. Rawr Girl

    Rawr Girl Banned

    476
    3
    18
    Help.

    5/5*7+9-7.

    Because * = Times (x) it starts the equation off.

    5*7 OR 5 x 7 = 35.
    9-7 = 2
    35/5 (Divided) = 7
    7 + 2 = 9. ;)

    Either my way or Ftlulz way was correct. :']
    Need anymore help post on my wall or pm me. :3
     
  5. Dare-Devil

    Dare-Devil Dare-Devil

    57
    0
    6
    (Mathematics Rule 1st Multiply, then divide, then add and in last subtract)
    5/5*7+9-7
    =5/35+9-7
    =7+9-7
    =16-7
    =9
     
  6. Simsy

    Simsy Guest

    May I ....

    Can I ask where the fuck is your calculator,, are u a complete dummy
     
  7. cutegirl57

    cutegirl57 n00b

    3
    0
    1
    thank you very much!Have nice days!
    ---------
    Bored
     
  8. No Vacancies

    No Vacancies Middle fingers up

    22
    1
    8
    Dumbass

    You asshole the thread reads mental maths mental means to do with your head, but it is clear you don't use that often
     
  9. adage

    adage Myself

    2
    0
    1
    Bedmas...
    either way it comes if divide is first in the problem you do that first, if you have multiplication first you do that. both have the same importance. imo its easier to do it from left to right if you can anyways. 5/5 = 1*7 = 7+9 = 16-7= 9 (if you notice theres a 7 and a -7 you can cancel them out assuming there is no more important math after it.

    if you had 10/2*7+9-7 you would get 2.7 if you did it with times first
    Your way:
    10/2*7+9-7
    =10/14+9-7
    =0.7+9-7
    =2.7

    if you did it the proper way (what comes first in the problem if they have the same importance) you would get 37
    Proper way:
    10/2*7+9-7
    =5*7+9-7
    =35+9-7
    =37

    it was just a coincidence and simple math that your answer came out the same as what it should be.

    B rackets
    E xponants
    D M divide/multiply (same importance do in order of showing up)
    A S add/subtract (same importance do in order of showing up)
     
  10. Robotower

    Robotower robotower.com

    29
    1
    8
    This guy dont have idea hav to math work whic you qoute.
    You are right.
    In math multiple and divide have same importance.
    And if you write 5/7*8 you can first multiple 7*8.
    If you write 5/(7*8) then you first multiple.
     

Share This Page