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natima [27]
3 years ago
6

Find the volume of the cone. Round your answer to the nearest tenth if necessary. Use 3.14 for it.

Mathematics
1 answer:
Delicious77 [7]3 years ago
5 0

Answer:

75.4 ft³

Step-by-step explanation:

Volume of a cone = πr²h/3

π = 3.14

radius, r = diameter / 2

= 6ft/2

= 3 ft

Height, h = 8 ft

Volume of a cone = πr²h/3

= (3.14 * (3)² * 8) / 3

= (3.14 * 9 * 8) / 3

= 226.08 / 3

= 75.36

Volume of a cone = 75.36 ft³

Approximately to the nearest tenth = 75.4 ft³

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How do I factor: x to the third minus 3x squared plus 4x minus 2
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Answer:

(x² − 2x + 2) (x − 1)

Step-by-step explanation:

Use grouping.

x³ − 3x² + 4x − 2

x³ − 3x² + 2x + 2x − 2

x (x² − 3x + 2) + 2 (x − 1)

x (x − 2) (x − 1) + 2 (x − 1)

(x (x − 2) + 2) (x − 1)

(x² − 2x + 2) (x − 1)

7 0
3 years ago
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nalin [4]
1689.32 hope this helps
6 0
3 years ago
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Systems of equation substitution <br><br> 2x+4y=24<br> x=4y
antoniya [11.8K]

Answer:

(x, y) = (8, 2)

Step-by-step explanation:

substitute x = 4y into the other equation

2(4y) + 4y = 24

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y = 2

substitute y = 2 into x = 4y

x = 4 × 2 = 8

solution is (8, 2 )


5 0
2 years ago
Write the inverse function for the function, ƒ(x) = 1/2x + 4. Then, find the value of ƒ -1(4). Type the answer exactly in this f
WINSTONCH [101]
We can get the inverse function by first setting f(x) = y, solving for x, and after that switching y and x. So, let's solve for x:
f(x)= \frac{1}{2}x+4
y= \frac{1}{2}x+4
2(y-4)=x
2x-4=y=f (x)^{-1}

Then, just plug in 4 for x, and solve:
2(4)-4= f (x)^{-1}
4=f (x)^{-1}

There you have your answer.

4 0
3 years ago
Please help fast, thanks.
3241004551 [841]
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