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3 years ago

{f(1)=15 f(n)=f(n-1)•n

Mathematics

2 answers:

stich3 [128]3 years ago

8 0

The answer is zero ……?.

zheka24 [161]3 years ago

5 0

I solved the second equation and it’s zero, I’m not really sure how to help with the top on tho. I am really sorry :/

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Solve x^2-6x+25 = 0 by completing the square.

Oksana_A [137]

First, subtract both sides by 25:

x^2 - 6x = -25

Because we're completing the square, we subtract both sides by 9:

x^2 - 6x - 9 = -34

(x - 3) = 5.831 (about)

x = 8.831

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3 years ago

10.3 divided by 1.4 =what

bekas [8.4K]

Answer:

7.35714285...

Step-by-step explanation:

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4 years ago

Read 2 more answers

A square has an area of approximately 500 square feet. Which of the following would be the most reasonable estimate of the lengt

vlabodo [156]

Answer:

22.36

Step-by-step explanation:

22.36 X 22.36 =(Approx) 500 feet2

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3 years ago

A silo is a composite of a cylindrical tower with a cone for a roof. Find the volume of the silo if the

xxMikexx [17]

Answer:

5127079.21 cubic feet

Step-by-step explanation:

The silo is in the shape of a cylinder and a cone.

The volume of the silo will be the sum of the volumes of the cylinder and the cone.

Therefore, its volume is:

$V = \pi r^2h + \frac{1}{3} \pi rH$

where r = radius of cylinder and cone

h = height of cylinder

H = height of cone

The radius of the base is 120 feet, the height of the roof (cone) is 25 feet. The height of the entire silo is 130 feet. This means that the height of the cylinder is:

130 - 25 = 105 feet

Therefore, the volume of the silo is:

$V = (\pi * 120^2 * 105) + (\frac{1}{3} * 120^2 * 25)\\\\V = 4750088.09 + 376991.12\\\\V = 5127079.21 ft^3$

The volume of the silo is 5127079.21 cubic feet.

3 0

3 years ago

Two factory plants are making TV panels. Yesterday, Plant A produced 6000 panels. Seven percent of the panels from Plant A and 2

azamat

Answer:

1% of 4000 + 4% of B = 2% of (4000 + B)

40 + 0.04*B = 0.02( 4000 + B)

40 + 0.04* B = 80 + 0.02*B

40 + 0.04*B - 80 - 0.02B = 0

0.02*B - 40 = 0

0.02*B = 40

2B = 4000

B = 2000

Step-by-step explanation:

7 0

3 years ago