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zepelin [54]
3 years ago
9

Find the general solution of the given differential equation. y''' − 2y'' − 4y' + 8y = 0

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
4 0
Consider this solution.

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50% increase followed by a 33 1/3% decrease
vredina [299]

Answer:

A 50% increase followed by a 33/1/3% decrease. = ? (1 + 0.5)*(1 - 0.3333333) = 1.5 * 0.666667 = 1. Result is same as original.

6 0
3 years ago
Read 2 more answers
How much material is required to make a pipe that is 300 cm long whose outer diameter is 8 cm with an inner diameter of 5 cm? Sh
worty [1.4K]

Answer:

Step-by-step explanation:

If you had a solid cylinder, in order to find the amount of material that makes up that solid cylinder, you would find the volume using the radius of 4 (half of the diameter 8).  BUT we want to know the volume of the solid with the radius of 4 minus the solid that has a radius of 2.5 (half of the diameter 5).

V_o-V_i  That's volume outer - volume inner.  To find the outer volume:

V=\pi r^2h so

V_o=\pi (4^2)(300) and

V_o=4800\pi  and do the same for the inner volume:

V_i=\pi (2.5^2)(300) and

V_i=1875\pi

Subtract the inner from the outer:

4800\pi-1875\pi=2925\pi cm^3

If you need your answer in decimal form, then the volume is

9189.16 cm³

4 0
3 years ago
Cho S là ngoại diên của khái niệm con người, p(x,y) = x yêu thương y.
pentagon [3]

Answer:

Step-by-step explanation:

7 0
3 years ago
Math help please please I’m not gonna believe those links don’t try
Rainbow [258]

Answer:

C

Step-by-step explanation:

A&B are wrong because they imply that x can equal 250, which it can't, it has to be less than 250 so the max x can be is 249.

D is wrong because it is talking about greater than which it is not. It is less than

C is correct

3 0
3 years ago
2. the height of one solid limestone square pyramid is 24 m. a similar solid limestone square pyramid has a height of 30 m. the
Viktor [21]
A) the scale factor of the smaller pyramid to the larger pyramid in simplest form is 24:30 = 4:5

b) the ratio of the area of the base of the smaller pyramid to the larger pyramid.
From the scale factor, the ratio of the area of the base of the smaller pyramid to the larger pyramid is 4^2 : 5^2 = 16:25

8 0
3 years ago
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