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KengaRu [80]
2 years ago
6

Find the value of this expression and show ur work

Mathematics
1 answer:
alexdok [17]2 years ago
4 0

Answer:

-30/49

Step-by-step explanation:

You multiply the numbers, then add the negative symbol, when you multiply the numbers, you get:

10/7*3/7 which equals 30/49, which means the answer is -30/49

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The volume of a cone is 3rx? cubic units and its height is x units. Which expression represents the radius of the cone's base, i
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Answer:

It is given that the volume of a cone = 3\pi x^3 cubic units

Volume of cone with radius 'r' and height 'h' = \frac{1}{3}\pi r^2h

Equating the given volumes, we get

3\pi x^3=\frac{1}{3}\pi r^2h

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It is given that the height is 'x' units.

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r^2=9x^2

Therefore, r=3 x

So, the expression '3 x' represents the radius of the cone's base in units.

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Here look at this for my answer...

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