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Ksju [112]
3 years ago
7

PLS HELP RQ!!!!!!!!!!!!!11

Mathematics
2 answers:
kotegsom [21]3 years ago
6 0

Answer:

15 cubic inches

Step-by-step explanation:

Naya [18.7K]3 years ago
4 0

Answer:

3 3/4 cubic inches

Step-by-step explanation:

2.5*1.5*1

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Answer is D

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Estimate the quotient of 1246 divided by 4
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I cant figure out 17 :3 and 68 :12 are equivalent
sleet_krkn [62]

Answer:

17:3 is 68:12 simplified

15 slices will be eaten in 10 minutes

Step-by-step explanation:

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a rectangular block is such that the sides of its base are of the length x cm and 3x cm. The sum of all the lengths of all its e
Xelga [282]

Answer:

15x^2 - 12x^3

Step-by-step explanation:

A rectangular block has 3 parts that play into its volume.  length, width and height.  The question gives us length and width in the form of x and 3x, so height is what's missing.

It gives us a bit more information saying the sum of its edges is 20.  We also have to ask how many lengths, widths and heights are there.  That may be a bit hard to understand, but  is you are looking at a block I could ask how many edges are vertical, just going up and down.  These would be the heights.  There are 4 total, and this goes the same for length and width, so 4*length + 4*width and 4*height = 20.  

Taking that and plugging in x for length and 3x for width (or you could do it the other way around, it doesn't matter, you get:

4*x + 4*3x + 4*height = 20

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Now we have h in terms of x, which lets us easily find the volume just knowing x.  To find the volume of a rectangular block you just multiply the length, width and height.

x*3x*(5-4x)

3x^2(5-4x)

15x^2 - 12x^3

Question doesn't give a specific value for x at all so you should be done there.  Any number you plug in for x should get you the right answer

5 0
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