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anonymous

  • 5 years ago

Evaluate 23-7 divided by (1/3+1/4)

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  1. anonymous
    • 5 years ago
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    the question is not clear. Use the equation toolbox and write down your question. You can type in the equation use the Equation button just underneath this area.

  2. anonymous
    • 5 years ago
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    \[23-7\div(1/3+1/4)\]

  3. anonymous
    • 5 years ago
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    thanks for telling me about that...I didn't know how to input my equation.

  4. anonymous
    • 5 years ago
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    np. so, first evaluate 1/3 +1/4

  5. anonymous
    • 5 years ago
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    i find the LCM of both of the them right? If so it's12

  6. anonymous
    • 5 years ago
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    right, so 1/3 = 4/12 and 1/4 = 3/12

  7. anonymous
    • 5 years ago
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    that's what I got. yay! okay now we add them it becomes (7/12)

  8. anonymous
    • 5 years ago
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    okay great! so what is 7 / 7 / 12?

  9. anonymous
    • 5 years ago
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    dividing right 7/7 = 1 and 7/12 = 1.71

  10. anonymous
    • 5 years ago
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    huh? no. it is \[7 \div (7/12)\]

  11. anonymous
    • 5 years ago
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    you have to be patient with me. I haven't done math in 8 years. :(

  12. anonymous
    • 5 years ago
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    \[7\times12/7\] 7 and 7 cancel out. so the answer is 12.

  13. anonymous
    • 5 years ago
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    23-12 = 11 is your final answer.

  14. anonymous
    • 5 years ago
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    oh...I see what I did wrong. duh!

  15. anonymous
    • 5 years ago
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    heh. \[a \div b = a \times 1/b\]

  16. anonymous
    • 5 years ago
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    So if I was going to do this problem..... (0.95-0.68)x6. I would do whats inside the parenthesis first and complete it before I move on to multiply. That rule goes for all with parenthesis......

  17. anonymous
    • 5 years ago
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    yes. you should always follow order of operations http://en.wikipedia.org/wiki/Order_of_operations#The_standard_order_of_operations

  18. anonymous
    • 5 years ago
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    PEMDAS Please, Excuse, My, Dear, Aunt, Sally~~~

  19. anonymous
    • 5 years ago
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    P - Parenthesis, E= exponents, M = Multiplication, D= division, A = addition, S = subtraction ^_^ and + always start computing from left to right

  20. anonymous
    • 5 years ago
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    also, BODMAS.

  21. anonymous
    • 5 years ago
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    it's weird though, but I don't have an aunt called sally o_o lol, but anyhow, hope this sets things right ^_^

  22. anonymous
    • 5 years ago
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    LOL! what does that stand for?

  23. anonymous
    • 5 years ago
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    yeah. I am still learning how this all works again. We are working on equations and decimals, and word problems. I am having such a hard time with this stuff.

  24. anonymous
    • 5 years ago
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    nah, you'll get through with it in no time ^_^

  25. anonymous
    • 5 years ago
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    B Brackets first O Orders (ie Powers and Square Roots, etc.) DM Division and Multiplication (left-to-right) AS Addition and Subtraction (left-to-right)

  26. anonymous
    • 5 years ago
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    lol, my dear aunt sally statement is better :D

  27. anonymous
    • 5 years ago
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    I always used aunt sally

  28. anonymous
    • 5 years ago
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    oh well, I was taught bodmas. its all the same.

  29. anonymous
    • 5 years ago
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    likewise LOL, I know dhat ^_^

  30. anonymous
    • 5 years ago
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    sigh, I miss school lol

  31. anonymous
    • 5 years ago
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    lol, yeah. I would be so smart at it now!

  32. anonymous
    • 5 years ago
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    yep! >_< and I'd get 100s and As all over the place

  33. anonymous
    • 5 years ago
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    true. :)

  34. anonymous
    • 5 years ago
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    ^_^

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