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dem82 [27]
2 years ago
14

how many cubic blocks of side length 1/6 inch would take to fill a rectangular prism with a length, width, and height of 1/3 inc

h, 2/3 inch, and 2/3 inch respectively ?
Mathematics
2 answers:
Tamiku [17]2 years ago
5 0

Answer:

32

Step-by-step explanation:

Given:

Side of length cube =\frac{1}{6}\text{ inch}

Dimension of rectangular prism,

\text{Length }=\frac{1}{3}\text{ inch}

\text{width }=\frac{2}{3}\text{ inch}

\text{Height }=\frac{2}{3}\text{ inch}

Formula:

\text{Volume of cube }=\text{side}^3

\text{Volume of rectangular box }=\text{Length}\times \text{Width}\times \text{Height}

Calculation:

Now, we fill rectangular prism with cube block and count number of block.

\text{Number of block }=\dfrac{\text{Volume of prism}}{\text{Volume of block}}

\text{Number of block }=\dfrac{\frac{1}{3}\times \frac{2}{3}\times \frac{2}{3}}{\frac{1}{6}\times \frac{1}{6}\times \frac{1}{6}}

\text{Number of block }=32

Hence, The number of block to fill rectangular prism is 32

borishaifa [10]2 years ago
3 0
Volume of one cubic block = (1/6)^3  = 1/216 cu ins

Volume of the prism = 1/3 * 2/3 * 2/3  = 4/27  cu ins

Number of blocks to fill prism  = 4/27 / 1/216   = (216*4) / 27  =  32
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2 years ago
Red and grey bricks were used to build a decorative wall. The number of red bricks and grey bricks was 5/2. There were 140 brick
ozzi

Answer:

100 red bricks

Step-by-step explanation:

Let's say red bricks is equal to 5x

Gray bricks is equal to 2x

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5 0
2 years ago
A boat leaves a dock and travels 9 miles due north and 12 miles due west. Find how far the boat is from the dock. Type the corre
adelina 88 [10]

Answer:

15 miles

Step-by-step explanation:

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Notice that this is a right triangle with legs of 9 and 12. That means the distance from the boat to the dock is just the hypotenuse, so use the Pythagorean Theorem: distance = \sqrt{9^2+12^2} =\sqrt{81+144} =\sqrt{225} =15

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3 0
2 years ago
Read 2 more answers
Simplify<br> 7x + 2y - 3x + 4y<br><br> Factorise<br> 10x - 15<br><br> Solve<br> 5p = 3p + 8
vlada-n [284]

Answer:

1. x = -1.5y

2. 5 (2x-3)

3. p = 4

Step-by-step explanation:

1) Simplifying

7x + 2y + -3x + 4y = 0

Reorder the terms:

7x + -3x + 2y + 4y = 0

Combine like terms: 7x + -3x = 4x

4x + 2y + 4y = 0

Combine like terms: 2y + 4y = 6y

4x + 6y = 0

Solving

4x + 6y = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-6y' to each side of the equation.

4x + 6y + -6y = 0 + -6y

Combine like terms: 6y + -6y = 0

4x + 0 = 0 + -6y

4x = 0 + -6y

Remove the zero:

4x = -6y

Divide each side by '4'.

x = -1.5y

Simplifying

x = -1.5y

2)

Common factor

10x - 15

5 (2x-3)

3) Simplifying

5p = 3p + 8

Reorder the terms:

5p = 8 + 3p

Solving

5p = 8 + 3p

Solving for variable 'p'.

Move all terms containing p to the left, all other terms to the right.

Add '-3p' to each side of the equation.

5p + -3p = 8 + 3p + -3p

Combine like terms: 5p + -3p = 2p

2p = 8 + 3p + -3p

Combine like terms: 3p + -3p = 0

2p = 8 + 0

2p = 8

Divide each side by '2'.

p = 4

Simplifying

p = 4

7 0
2 years ago
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