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LonelyandForgotten

  • 3 years ago

Who can teach me basic math skills? pleaseeee, this is very urgent!

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  1. hartnn
    • 3 years ago
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    yes, do you have any specific question ?

  2. cgreenwade2000
    • 3 years ago
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    Sounds like a lot of work , but what exactly do you call basic?

  3. LonelyandForgotten
    • 3 years ago
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    nope, nothing in mind.. i guess first thing i would like to learn is how do you cross multiply?

  4. LonelyandForgotten
    • 3 years ago
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    its just that i will be taking a test over these skills to see how much i know and i know nothing at all :/ so i need some help

  5. Goten77
    • 3 years ago
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    basic skills lesson 1: \[\int\limits_{}^{}= the INtegral symbol\]

  6. LonelyandForgotten
    • 3 years ago
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    okayy..

  7. hartnn
    • 3 years ago
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    sure, cross-multiplication |dw:1358451891181:dw| got this ?

  8. LonelyandForgotten
    • 3 years ago
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    i think so, yeah

  9. hartnn
    • 3 years ago
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    need example ?

  10. hartnn
    • 3 years ago
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    |dw:1358452038527:dw| you try ...

  11. LonelyandForgotten
    • 3 years ago
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    maybe i should just look in a math textbook or something :/

  12. Goten77
    • 3 years ago
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    |dw:1358452105344:dw| lesson 2 the derivative

  13. ghazi
    • 3 years ago
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    \[4\frac{ 4 }{ 5 }= \frac{ 4*5 +4 }{ 5}=\frac{ 20+4 }{ 5 }=\frac{ 24 }{ 5 }\] @LonelyandForgotten remember this?

  14. LonelyandForgotten
    • 3 years ago
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    @hartnn umm 18 is the answer?

  15. hartnn
    • 3 years ago
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    |dw:1358452176435:dw||dw:1358452197271:dw||dw:1358452223444:dw| now ?

  16. LonelyandForgotten
    • 3 years ago
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    @ghazi is that for cross multiplication?

  17. hartnn
    • 3 years ago
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    are you understanding the drawings ?

  18. ghazi
    • 3 years ago
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    no that is for changing fraction

  19. Goten77
    • 3 years ago
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    |dw:1358452384626:dw|

  20. ghazi
    • 3 years ago
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    for cross multiplication lets say we have \[\frac{ 2 }{ 3 }=\frac{ x }{ 4 }\] then by cross multiplication we can see that \[2*4=x*3\] and x=2*4/3=8/3|dw:1358452516250:dw| @LonelyandForgotten hope its clear to you now :)

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