Algebra 1B

A box shaped like a rectangular prism has a height of 17 in and a volume of 2,720 in³ The length is 4 inches greater than twice the width. What is the width of the box?
–10 in
8 in (my answer???)
20 in
40 in *

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  2. 👎 1
  3. 👁 1,577
  1. 8 is correct

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    2. 👎 0
  2. Thank you

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  3. Width = W in.
    Length = (2W + 4) in.

    V = L * W * h = 2720 n^3.
    (2W+4) * W * 17 = 2720
    2W^2+4W)*17 = 2720
    34W^2 + 68W - 2720 = 0
    W^2 + 2W - 80 = 0
    -80 =-8*10.
    (W-8)(W+10) = 0

    W-8 = 0
    W= 8

    W+10 = 0
    W = -10

    Use positive value of W: W = 8.

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    posted by Henry
  4. C
    C
    B
    D
    B

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    2. 👎 2
  5. THANKS THEDARKONE 100%

    C
    C
    B
    D
    B

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    2. 👎 1
    posted by ANON
  6. You both are Wong smh

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    posted by Lex
  7. if yall take connections, this 100%

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    posted by ca
  8. Whatever you do do NOT listen to TheDarkOne or ANON they are both completely wrong.

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    posted by someone
  9. 1. C - 30.25

    2. B - x = -1

    3. D - no solution

    4. B - 8 in.

    I just took the assessment and got 4/4.

    1. 👍 6
    2. 👎 0
    posted by Allie
  10. C
    B
    D
    B
    4/4 (100%)

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    2. 👎 0
  11. Yea that's bc it's a differ quick check

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  12. C
    B
    D
    B
    This is 100% correct for the U4L5 Completing the Square quick check!

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    posted by Lyla
  13. @someone they are not the ones that are wrong you are the ne that is wrong i just got 5/5

    1. 👍 0
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    posted by BZG

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