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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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Choose the correct simplification of the expression (4a4b)2. 16a8b 16a8b2 16a6b2 8a8b2
iogann1982 [59]

Given exponential expression : (4a^4b)^2.

<em>According to exponents of exponent rule, we need to distribute whole exponent over exponents of inside terms of parenthesis.</em>

We are given whole exponent 2 there.

We can apply exponents of exponent rule.

Therefore,

(4a^4b)^2 = 4^2 a^{4\times2}b^2

4^2= 16.

a^{4\times2} = a^8

Therefore, 4^2 a^{4\times2}b^2 = 16a^8b^2.

<h3>Correct option is second option 16a^8b^2.</h3>
5 0
3 years ago
Read 2 more answers
Find the area of the red triangle.
JulsSmile [24]

Answer:

it is 9

Step-by-step explanation:

adding 79 and 10 and subsequently subtracting 72 and 8 to get 9

5 0
3 years ago
Please help me with this
zhuklara [117]

Answer:

301.6 ft³

Step-by-step explanation:

The volume (V) of a cone is calculated using the formula

V = \frac{1}{3} × area of base × perpendicular height (h)

h can be calculated by using Pythagoras' identity in the right triangle

with hypotenuse = 10 and legs 6 and h, thus

h² + 6² = 10²

h² + 36 = 100 ( subtract 36 from both sides )

h² = 64 ( take the square root of both sides )

h = \sqrt{64} = 8

Hence

V = \frac{1}{3} × π × 6² × 8

   = \frac{1}{3} × 288π = \frac{288\pi }{3} ≈ 301.6

7 0
2 years ago
Here are 36 points lovely person but first any advice for a student - kid
Brilliant_brown [7]
I don’t have much advice, but I would make yourself a schedule and a to-do list so you stay in track, and know what you’re doing each day so you can hold yourself accountable and can’t have any excuses about “not knowing about the work” because if you’re organized and get it done fast, you will be able to know about all of you work and have beTter grades since you have more time to learn the material and turn it in on time

Thanks for the points lol
5 0
2 years ago
Note: Enter your answer and show all the steps that you use to solve this problem Find the area. The figure is not drawn to scal
fgiga [73]

Answer:

area=13.8cm^2

Step-by-step explanation:

6 0
3 years ago
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