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Lana71 [14]
3 years ago
8

If the check after the substitution of the answer doesn't work, does that mean that the result is incorrect for equation with va

riables on both sides
Mathematics
1 answer:
Alecsey [184]3 years ago
8 0
I don't understand what your point is. Mind posting a picture or something?
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255.13 or 255.125

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Casandra needs 2 meters of string for her kite how many centimeters of string does she need
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innate as an agent X or something else

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Homework Jim Thompson! PART 2
BlackZzzverrR [31]

Problem 2

Part (a)

The 3D shape formed when rotating around the y axis forms a pencil tip

The shape formed when rotating around the x axis is a truncated cone turned on its side.

------------

Part (b)

Check out the two diagrams below.

============================================================

Problem 3

Answer: Choice A and Choice C

-----------------------

Explanation:

Think of stacks of coins. Let's say we had 2 stacks of 10 quarters each. The quarters are identical, so they must produce identical volumes. Those sub-volumes then add up to the same volume for each stack. Now imagine one stack is perfectly aligned and the other stack is a bit crooked. Has the volume changed for the crooked stack? No, it hasn't. We're still dealing with the same amount of coins and they yield the same volume.

For more information, check out Cavalieri's Principle.

With all that in mind, this leads us to choice C. If the bases are the same, and so are the heights, then we must be dealing with the same volumes.

On the other hand, if one base is wider (while the heights are still equal) then the wider based block is going to have more volume. This leads us to choice A.

6 0
2 years ago
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