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  1. D

    Find the arc please!

    Ok, so there is a circle with an X going thru it. im posting the pic... plz help find the __ degrees! this is the webby of my pretty picture: http://img2.freeimagehosting.net/image. ... a275dd.jpg go there for a paint pic of the problem
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    Ellipses

    ^_^ thank you!
  3. D

    Ellipses

    yeah, i got an ellipse that i need to be able to put into an equation... how would i go about doing this :(
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    help me find the flaw!

    ok, my friend just gave me the answer but it wasnt what u said... They took 4 = 5 and got -20 = -20 But whenever you multiply things you have to do it to both sides indentically: 4 * -4 = 5 * -4 4 * -5 = 5 * -5
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    help me find the flaw!

    hey, my friend is challenging me to find the flaw in this proof... help me find it plz! Theorem: 4 = 5 Proof: -20 = -20 16 - 36 = 25 - 45 4^2 - 9*4 = 5^2 - 9*5 4^2 - 9*4 + 81/4 = 5^2 - 9*5 + 81/4 (4 - 9/2)^2 = (5 - 9/2)^2 4 - 9/2 = 5 - 9/2 4 = 5 I DONT SEE A FLAW O.o
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