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Reptile [31]
4 years ago
11

Factor :2x^(5)-9x^(4)+6x^(3)+22x^(2)-20x-25

Mathematics
1 answer:
Ilya [14]4 years ago
8 0

Answer:

(x+1)(x+1)(2x−5)(x^2−4x+5)

Step-by-step explanation:

2x^5−9x^4+6x^3+22x^2−20x−25

2x^5−9x^4+6x^3+22x^2−20x−25

=(x+1)(x+1)(2x−5)(x2−4x+5)

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A cone with a radius of 3" has a total area of 24π sq. in. Find the volume of the cone.
Rus_ich [418]
The answer is 12π.

To get the volume of the cone, we need the height. The radius is given.

V = πr² × (h/3)

The total surface area of the cone is:
SA = πr² + πrl where r is radius and l is slant height

24π = π(3)² + π(3)(l)
24π = 9π + 3πl
24π - 9π = 3πl
15π = 3πl
l = 15π / 3π
l = 5

Using Phytagoras, we can calculate the height of the cone:
l² = h² + r²
5² = h² + 3²
25 - 9 = h²
h = √16
h = 4

Therefore the volume is:
V = π(3)² × (4 / 3)
V = 3π × 4
V = 12π
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3 years ago
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omeli [17]

Answer:

10

Step-by-step explanation:

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Answer:

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In the school band, there are 4 trumpet players and F flute players.The total number of trumpet and flute players is 12. Are the
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There is 8 flute players and yes there is twice. Because in total there are 12 instrument players so you could subtract 4 from 12 it will equal 8 and its twice of trumpet players. 
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