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larisa [96]
4 years ago
7

Need help with this question pls help

Mathematics
1 answer:
ycow [4]4 years ago
7 0
Well, we have linear terms (the heights and radii of the two cylinders) and cubic terms (the volume of the two cylinders). So, we need to cube the given ratio respective of their order.

2 -> to the power of 3 -> 2×2×2=8
3 -> to the power of 3 -> 3×3×3=27

Therefore, the ratio of the volumes of the two cylinders is 8:27. Your answer is D.
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the first three terms of an arithmetic progression is (x + 1), (4 x - 2) and 6 x - 3 if the last term is 18 find the value of x​
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Answer:

2

Step-by-step explanation:

<u>Since it is AP, the common difference is same for any term:</u>

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<u>The first 3 terms are:</u>

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<u>Since the last term is 18, it means this AP has 6 terms:</u>

  • {3, 6, 9, 12, 15, 18}

<u>Answer: </u>as we need to find the value of x only, it is = 2

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Step-by-step explanation:

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Hence, there are 78125 ways to assign grades to a class of seven students .

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