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Dafna11 [192]
10 months ago
12

pictured below are stacks of solid cubes. determine the number of cubes in the stack and the number of faces glued together.

Mathematics
1 answer:
Iteru [2.4K]10 months ago
5 0

Solution

For this case we need to find the number of cubes in the stack given so then we can do this:

The first line present 5 cubes

The second line present 5 cubes

And the last line we got:

10 cubes

Then the total of cubes are:

10 +5+5 = 20 cubes

If we need to find the number of faces we can do the following:

5+ 4+ 4+4 +4 +1 + (5+4+4+4+4+1 ) + (5+4+4+4+4+1 ) + (5+ 4+4+4 +4 )

And solving we got:

22+22+ 22+21= 87

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Answer:

see explanation

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Subtract the sum of the given angles from 180 for A

A = 180° - (90 + 46)° = 180° - 136° = 44°

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tan46° = \frac{opposite}{adjacent} = \frac{b}{23}

Multiply both sides by 23

23 × tan46° = b, thus

b ≈ 23.8 ( to the nearest tenth )

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cos46° = \frac{adjacent}{hypotenuse} = \frac{23}{c}

Multiply both sides by c

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5 0
2 years ago
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Answer:

it is heptagon and sum of interior angles of heptagon is 900 °

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4 0
3 years ago
What is 6 divided by 1/3
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Hope I helped!

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The width of a rectangle varies directly as it’s length. What is the perimeter of a rectangle that is 15 inches long?
olga nikolaevna [1]
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4 0
3 years ago
Please help! question is in the picture!
koban [17]

9514 1404 393

Answer:

  (5, 1) or maybe (h, k)

Step-by-step explanation:

The given form has no letters other than the variable. The vertex in this vertex-form equation can be read from the expression as (5, 1).

In the generic vertex form ...

  f(x) = a(x -h)² +k

the letters (h, k) are used to represent the vertex.

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You would need to consult your curriculum materials to see what letters your author uses for the vertex in vertex form.

5 0
2 years ago
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