# 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
20 in
40 in *

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3. 👁 1,577
1. 8 is correct

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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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5. THANKS THEDARKONE 100%

C
C
B
D
B

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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.

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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

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posted by BZG

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