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anonymous

  • 5 years ago

a+7 ----;a 7

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  1. anonymous
    • 5 years ago
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    What's this???

  2. anonymous
    • 5 years ago
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    i dont know...thats what the problem looks like on my page....

  3. anonymous
    • 5 years ago
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    what's the instruction of this question at the top of the page ?

  4. anonymous
    • 5 years ago
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    Find a value of the variable that shows that the two expressions are not equivalent. Answers may vary.

  5. anonymous
    • 5 years ago
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    Put a = 1

  6. anonymous
    • 5 years ago
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    so then it would make the problem 8/7

  7. anonymous
    • 5 years ago
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    The first one becomes 8/7 and the second 1 Put a = 2 and u get 9/7 and 2

  8. anonymous
    • 5 years ago
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    how would i show my work for that?

  9. anonymous
    • 5 years ago
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    ???????

  10. anonymous
    • 5 years ago
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    First expression is a+7 ---- 7 Putting a=1, we get 1+ 7 ie 8/7 ----------- (A) ---- 7 The second expression is a Putting a= 1 , we get a = 1 --------------(B) From (A) and (B) we can see that the first expression is not equal to the second.

  11. anonymous
    • 5 years ago
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    Similarly by replacing a by 2 in the two expressions you will get 9/7 ---- (A) and 2 ------ (B) Hope it is clear now??

  12. anonymous
    • 5 years ago
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    so the answer is 1?

  13. anonymous
    • 5 years ago
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    See, you have to show that the two expressions are not equivalent, that is values of a + 7 and a are not equal/equivalent ----- 7

  14. anonymous
    • 5 years ago
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    So from (A) u hv a + 7 8 ----- = --- 7 7 and From (B) a = 1 So their values are not equivalent

  15. anonymous
    • 5 years ago
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    Is it clear now???

  16. anonymous
    • 5 years ago
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    ....mmmm ok

  17. anonymous
    • 5 years ago
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    sorry im really stupid when it comes to math....

  18. anonymous
    • 5 years ago
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    Pls don't use the term stupid NOBODY in this world is stupid Its only that some people r lucky to get teachers who explain concepts nicely and clearly The unlucky ones do not get good teachers and hence their concepts r not clear

  19. anonymous
    • 5 years ago
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    and it doesnt help that its an online class...:( oh well...im still learning...

  20. anonymous
    • 5 years ago
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    Well even online classes can be good I teach a kid in America online and make sure he gets the concepts

  21. anonymous
    • 5 years ago
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    We do more examples if required

  22. anonymous
    • 5 years ago
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    I think my brain is fried for the night...im going to email my instructor for additional help...ill be back though to learn more concepts of math! thanks though!

  23. anonymous
    • 5 years ago
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    U r welcome anytime...

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