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borishaifa [10]
3 years ago
15

A rectangular prism has a length of 9 in., a width of 4 in., and a height of 1 1/2 in. The prism is filled with cubes that have

edge lengths of 1/2 in. How many cubes are needed to fill the rectangular prism? Enter your answer in the box. To fill the rectangular prism, cubes are needed.
Mathematics
2 answers:
EastWind [94]3 years ago
4 0
<h3>Answer:</h3>

<u>Volume of rectangular prism = L × B × H</u>

  • 9 × 4 × 1.5
  • 54in³

Now,

<u>Volume of cube = a³</u>

  • 0.5 × 0.5 × 0.5
  • 0.125in³

So,

<u>No. of small cubes to be filled = 54in³/0.125in³</u>

  • 54/0.125
  • 432

<u>Hence, 432 cubes of edge 1/2 inches can be filled</u>.

sammy [17]3 years ago
3 0

Answer: 432 cubes

Step-by-step explanation:

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