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Svet_ta [14]
2 years ago
15

HELP

Mathematics
2 answers:
chubhunter [2.5K]2 years ago
8 0

The net represents a <u>cube</u>.

The net shows a cube with a side length of 12 cm, meaning its surface area is 6(12)^{2}=\boxed{864 \text{ cm}^{3}}

yKpoI14uk [10]2 years ago
6 0

Answer:

  • cube
  • 864 cm²

Step-by-step explanation:

The Platonic solid with six (6) square faces is the cube. Its surface area is the sum of the areas of the square faces. Each of those is the square of its edge length.

__

The 3-dimensional shape represented by the net is a <em>cube</em>.

The area of the cube is ...

  6 × (12 cm)² = 6 × (144 cm²) = 864 cm²

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24.4 is the answer because its greater than 3<span />
7 0
3 years ago
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_Izzy wants to paint three walls in her family room. Two walls are 13
stiks02 [169]
The total area would be the combined area of all three

Let’s knock out the first 2

4.5 * 13 = 58.5 * 2 = 117

Now the last

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5 0
2 years ago
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Find the sum of first 20 to terms of an ap in which d is equal to 7 and 20 second term is 149​
GuDViN [60]

Answer:

1370

Step-by-step explanation:

<h3>Given</h3>
  • AP with d= 7 and a₂₂ = 149
<h3>To find</h3>
  • Sum of first 20 terms
<h3>Solution</h3>

<u>First, let's get the value of the first term:</u>

  • aₙ = a + (n-1)d
  • a₂₂ = a + 21d
  • 149 = a + 21*7
  • a = 149 - 147
  • a= 2

<u>Next, let's find the sum of the first 20 terms</u>

  • Sₙ = 1/2n(2a+ (n-1)d)
  • S₂₀ = 1/2*20(2*2 + 19*7) = 10(4 + 133) = 10*137 = 1370

<u>Answer is</u> 1370

6 0
3 years ago
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Find the missing length of the triangle.<br> 26 in.<br> a<br> 24 in.
Elis [28]

Answer:

10

Step-by-step explanation:

26^2-24^2=100

sqrt of 100 is 10

3 0
3 years ago
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[ANSWER FOR BRAINIEST]
s2008m [1.1K]

Note the order of the letters:

A C E G

M N P R

You read it like this:

A ≅ M

C ≅ N

CE ≅ NP

AG ≅ MR

... and so on

In the following choices:

CE ≅ NP is the true statement

8 0
3 years ago
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