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FrozenT [24]
2 years ago
7

Two similar cylinders have a scale factor of 1.6/3. Find the ratio of their volumes. Answer must be in fraction form.

Mathematics
1 answer:
Anna [14]2 years ago
5 0
Volume of cylinders = pi x r^2 x height  Simplifying the ratio: 1.6/3 = 16 / 30 (multiply and divide by 10 to remove the decimal)  Volume Ratio = 512:27
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Step-by-step explanation:

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Point A is at (-1,-9) and Point M is at (0.5,-2.5).
leva [86]
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So firstly, let's start with the x-coordinates. Since we know the midpoint's x-coordinate and point A's x-coordinate, we can solve for point B's x-coordinate as such:

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Next, do the same thing except solve for the y-coordinate and using point A's y-coordinate and the midpoint's y-coordinate:

\frac{-9+y}{2}=-2.5\\\\-9+y=-5\\\\y=4

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4 0
2 years ago
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Tresset [83]
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3 0
3 years ago
Consider the equation of a circle x^2-2x+y^2-4y-4=0. If the line 2x-y+a=0 is its diameter. Then find the value of a.
Oduvanchick [21]

Answer:

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Step-by-step explanation:

x²-2x+y²-4y-4=0

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(1,2) on line 2x-y+a=0

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antiseptic1488 [7]
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8 0
3 years ago
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