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raketka [301]
3 years ago
10

Help i will rate you brainliest please help

Mathematics
1 answer:
Lena [83]3 years ago
7 0

For part A, there are 4 equal lengths put together and the sum of them is 36. So dividing 36/4 gives us 9.

So the length of each edge is <u>9 cm</u>!

For part B, finding surface area means the total area of the cube on its six faces.

So for one face of the cube, the area is

9 × 9 = 81 cm^2

There are 6 faces so we multiply 81 by 6 and get 486 cm^2.

Hope this helps!

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What cannot be rational??
julia-pushkina [17]

Answer:

the 4th one

Step-by-step explanation:

4 0
3 years ago
R=-6 and t=3. what is 12-t | 3r-2 |
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12 - t|3r - 2|

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subtitute:

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Alex17521 [72]
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5 0
4 years ago
What is the distance between (1,-5) and (-3,6)​
Wewaii [24]

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\large\boxed{\sqrt{137}\approx11.7}

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d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

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d=\sqrt{(-3-1)^2+(6-(-5))^2}=\sqrt{(-4)^2+11^2}=\sqrt{16+121}=\sqrt{137}

4 0
3 years ago
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Black_prince [1.1K]

Answer:

C.

Step-by-step explanation:

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3 years ago
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