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Diana.xL

  • one year ago

help

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  1. Diana.xL
    • one year ago
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    http://i.imgur.com/mkuCfCL.png

  2. Diana.xL
    • one year ago
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    i need help on b and c.

  3. imqwerty
    • one year ago
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    so u factored the equation nd u got- (x-40)(x+45)=0 so either x-40=0 thus x=40 or x+45=0 thus x=-45 but x is the width and it cannot be negative so x=-45 is rejected so the answer is x=40.

  4. Diana.xL
    • one year ago
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    thats for b right?

  5. imqwerty
    • one year ago
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    yes

  6. Diana.xL
    • one year ago
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    was my answer for a correct?

  7. Diana.xL
    • one year ago
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    how about c?

  8. imqwerty
    • one year ago
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    yes your answer for a was correct and m confused with the c ...what type of answer do we need to enter in c part? do we need to tell the length nd width ?

  9. Diana.xL
    • one year ago
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    one sec.

  10. imqwerty
    • one year ago
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    ok

  11. Diana.xL
    • one year ago
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    http://prntscr.com/8iqfao look at my answer for c in this one, ganeshie8 helped me with it. i think it should be something like that

  12. imqwerty
    • one year ago
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    ok wait a sec :)

  13. Diana.xL
    • one year ago
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    ok :)

  14. imqwerty
    • one year ago
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    u must add this to ur answer to part b after you write the way u got width- we found that width=40yards given area=3600square yards area of rectangular park=length*breadth 3600=length*40 dividing both sides by 40 we get- length=90yards answer for c part wuld be- since x represents the width, we discard -45. The width of park is 40yards and the length is 90yards.

  15. Diana.xL
    • one year ago
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    Tysm :]

  16. imqwerty
    • one year ago
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    no prlm :D

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