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Steph_Rawr352

  • 3 years ago

PLEASE HELLPP Solve P=2(l+w) for I. Fill out this chart. P= 14 w=2 I=? P= 22 w=8 I=?

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  1. Traxter
    • 3 years ago
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    Step 1: Expand the brackets on the right hand side. Step 2: Get all I terms on one side of the equals sign, everything else on the other side. Step 3: Get I on its own by division (will be by 2). Can you do these steps?

  2. Steph_Rawr352
    • 3 years ago
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    ok so first I would use the distributive property for 2(l+w) ? so it would be 2l+2w?

  3. Traxter
    • 3 years ago
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    Yep that's Step 1 completed, now see if you can do steps 2 and 3 :)

  4. Steph_Rawr352
    • 3 years ago
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    thanks!

  5. Traxter
    • 3 years ago
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    Let me know what you get and I'll tell you if you're correct.

  6. Steph_Rawr352
    • 3 years ago
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    I got: p-2w/2

  7. Traxter
    • 3 years ago
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    Well done, make sure you include the brackets though: \[l=\frac{(p-2w)}{2}\] Now all you need to do is substitute the values you're given into that :)

  8. Steph_Rawr352
    • 3 years ago
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    oh ok thank you so much! (:

  9. Traxter
    • 3 years ago
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    No problem at all :)

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