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otez555 [7]
3 years ago
7

Alecia builds a box in the shape of a cube with an open top. She plans to paint the box. Alecia calculates that there are 256 sq

uare inches to be painted. Which condition will make Alecia's calculation correct? Show your reasoning.
Mathematics
2 answers:
iren [92.7K]3 years ago
7 0

Answer:i d0nt kn0w

Step-by-step explanation:1 d0nt kn0wq

STALIN [3.7K]3 years ago
6 0

Answer:

See Explanation

Step-by-step explanation:

The question is incomplete, as the options to select the required condition from were not listed. So, I will answer on general terms

From the question, we understand that the cube has an open-top and the surface ares is 256 in^2

Let L represents the edge length, the surface area (S) is:

S = 5L^2

Substitute 256 for S

256 = 5L^2

Divide both sides by 5

51.2 = L^2

Take square roots of both sides:

\sqrt{51.2} = L

7.155= L

L=7.16in ---- approximated

The volume of the cube is:

Volume = L^3

Volume = \sqrt{51.2}^3

Volume = 366.3573

Volume = 366.36in^3

<em>So, the edge length of the cube is 7.16 inches and the volume is 366.36 cubic inches</em>

<em />

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ollegr [7]

5 m/sec or 300m / min

using speed = \frac{distance}{time}

change 5 min 20 sec to seconds = (5 × 60) + 20 = 320 sec

speed = \frac{1600}{320} = 5m / second or

speed = 60 × 5 = 300m / minute



4 0
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alex41 [277]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
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= 17 v^2 + 7v + 11

Step-by-step explanation:

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by removing brackets

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Addin like terms:

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I hope it will help you!

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Answer:

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Step-by-step explanation:

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Hope this help have a great day!

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