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goblinko [34]
3 years ago
13

A rectangular prism has a length of 20 in a width of 2 in and a height of 3 1/4 in the prism is filled with cubes that have edge

lengths of 1/4 in how many cubes are needed ro fill the rectangular prism
Mathematics
1 answer:
Zinaida [17]3 years ago
7 0
You can express the edge lengths in terms of "cubes" or you divide the total volume by the volume of a cube. It works either way.

Edge lengths are
.. 80 cubes by 8 cutes by 13 cubes
so total volume is
.. (80 * 8 * 13) = 8320 cubes


In cubic inches, the volume is
.. (20 in)*(2 in)*(3 1/4 in) = 130 in^3.
The volume of a 1/4-in cube is (1/4 in)^3 = 1/64 in^3.
Then the number of cubes that will fit in the prism is
.. (130 in^3)/(1/64 in^3) = 8320 . . . . cubes

8320 cubes are needed to fill the rectangular prism.
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2 years ago
Ivan and Tanya share £150 in the ratio 4: 1<br>Work out how much more Ivan gets compared to Tanya.​
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Answer:

Ivan got £90 more than Tanya.

Step-by-step explanation:

Ivan and Tanya share the amount £150 in the ratio of 4 : 1

Amount received by Ivan = 150\times \frac{4}{(4+1)}

                                          = 150\times \frac{4}{5}

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Similarly, amount received by Tanya = 150\times \frac{1}{(4+1)}

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2 years ago
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2 years ago
Read 2 more answers
Please please please please help
Solnce55 [7]

Answer:

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Step-by-step explanation:

3.14 x 10

= 31.40

I'm very sorry if you get it wrong tell me

8 0
2 years ago
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