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11111nata11111 [884]
3 years ago
7

Pls help Three same-sized cubes are glued together as shown below.

Mathematics
1 answer:
katrin [286]3 years ago
7 0
Count the number of squares you can see from each side = 14
The cubes had 3 x 6 faces = 18 but 4 are glued together.
Surface area = 14 square faces = 14 x 8^2 = 896 in^2
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elena-s [515]

Answer:

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Step-by-step explanation:

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7 0
2 years ago
A cylinder with a radius of 12cm and a height of 20cm has the same volume as a cone with a radius of 8cm. What is the height of
ivanzaharov [21]

Answer: 135cm

Step-by-step explanation

Volume of a cylinder = πr²h

Volume of a cone. = 1/3πr²h

The two shapes are both solid shapes.

Since the have same volume, we can then equate the two together and solve for the height of the cone.

Now make H the height and R the radius of the cylinder and h the height and r the radius of the cylinder.

Now equating the two

πR²H = 1/3πr²h

Now substitute for the values now

Multiply through by 3

3πR²H = πr²h

But π is common so it could be obliterated from the equation

3R²H = r²h

3 x 12² x 20 = 8² x h

3 x 144 x 20 = 64 x h

60 x 144 = 64h

8640. = 64h

Therefore

h = 8640/64

= 135cm

8 0
3 years ago
What is the equation of the trend line in the scatter plot ?
Leto [7]

Answer:

5

Step-by-step explanation:

Hopebthis helps it ahowed right for me

6 0
2 years ago
Which is an equation of a direct proportion
Over [174]
K = y/x OR y = kx

hope it helps!
6 0
2 years ago
2 + 3 × 16 − 2 × 21 − 3 = <br> 5<br> 14<br> 35<br> 40
Ganezh [65]

Answer: 5

Step-by-step explanation:

Since, According to the BODMAS, when we solve an expression,

We follow the following sequence,

1. Bracket/ parenthesis

2. Of

3. Division

4.Multiplication

5. Addition

6. Subtraction

Here, the given expression is,

2 + 3\times 16 - 2\times 21 - 3

Thus, solving the given expression by following the BODMAS,

We get,

Step 1. 2 + 48 - 42 - 3

Step 2. 50 - 42 - 3

Step 3. 8-3

Step 4. 5


7 0
3 years ago
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