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kittykatchan

  • 3 years ago

MEDAL!!!!!!! 1. Solve for x. 4(x – b) = x (1 point) b = 4/3 x b = 3/4 x x =4/3 b x = 3/4 b 2. Solve for y, then find the value of y when given x = –2. 6x = 7 – 4y (1 point) –12 7/4 19/4 24 3. Solve for h. A = 1/2bh (1 point) h= 2a/b 2A =b/h h = 1/2 Ab h = 2Ab 4. Find the width of a rectangle with a perimeter of 90 and a length of 15. (1 point) 90 15 45 30

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  1. kittykatchan
    • 3 years ago
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    even if you just know one of the answers, please reply!!!

  2. ajprincess
    • 3 years ago
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    4(x – b) = x Using distributive property distribute the expression on the left side Then u will get 4*x-4*b=x 4x-4b=x To solve for x u have to isolate x. to do that follow the steps 1.Add 4b both sides 2.Subtract x both sides 3.Divide by 3 both sides Can u do it @kittykatchan

  3. kittykatchan
    • 3 years ago
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    well it's worth a shot. hold on a sec and lemme try :)

  4. ajprincess
    • 3 years ago
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    sure:)

  5. kittykatchan
    • 3 years ago
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    umm, is it x = 3/4 b

  6. nubeer
    • 3 years ago
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    yes

  7. kittykatchan
    • 3 years ago
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    are you sure, nubeer?

  8. nubeer
    • 3 years ago
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    ohh lol no..sorry my bad.

  9. kittykatchan
    • 3 years ago
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    okay, so then it's not that answer?

  10. ajprincess
    • 3 years ago
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    nope

  11. kittykatchan
    • 3 years ago
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    fine, then is it x = 4/3 b???

  12. ajprincess
    • 3 years ago
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    yup it is:) 4x-4b=x 4x-4b+4b=x+4b 4x=x+4b 4x-x=x+4b-x 3x=4b x=4b/3

  13. kittykatchan
    • 3 years ago
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    oh, okay great. thanks! :) can you help with any others or do you know only that one?

  14. ajprincess
    • 3 years ago
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    for the second one plug in the given value in place of x in 6x = 7 – 4y and solve for y. 6*(-2)=7-4y Can u find y @kittykatchan?

  15. kittykatchan
    • 3 years ago
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    yeah, probably. i was just figuring out the last one. one sec and lemme try

  16. kittykatchan
    • 3 years ago
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    okay, i'll probably have to look in my book for that one.

  17. kittykatchan
    • 3 years ago
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    it's 19/4 right???

  18. ajprincess
    • 3 years ago
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    ya right:) 6*(-2)=7-4y -12=7-4y -12-7=7-4y-7 -19=-4y -19/-4=-4y/-4 19/4=y

  19. kittykatchan
    • 3 years ago
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    woo hoo! okay, all i have left is the third one. do you know it?? :)

  20. ajprincess
    • 3 years ago
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    so u have finishd the 4th one? good:)

  21. kittykatchan
    • 3 years ago
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    yup, i already finished it. :) if you don't know the third one, it's ok i'll just guess.

  22. kittykatchan
    • 3 years ago
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    nubeer, why are you creeping? lol

  23. ajprincess
    • 3 years ago
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    well give it a try if u find t difficult plz ask then I will help u:)

  24. kittykatchan
    • 3 years ago
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    it's ok, i just gueesed. thanks for your help ajprincess! heres your medal :D

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