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serg [7]
3 years ago
11

What is the volume of the cone?

Mathematics
1 answer:
Vesnalui [34]3 years ago
4 0

Volume of a cone

V = 1/3 *pi* r^2 *h

we know the diameter d=22

the radius r = 1/2 d = 1/2 (22) = 11

substitute in

V = 1/3 * pi * 11^2 * 22

V = 1/3 * pi * 121 * 22

V = 2662/3 * pi

pi is approximately 3.14

V =2787.639882 yd^3

Rounding

V = 2787.64 yd^3

Choice B

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a square has a side length of x. A rectangle has a length that is 4 inches longer than the square and a width that is 2 inches s
vodomira [7]

Answer:

Length of the rectangle is = 8 inches.

Step-by-step explanation:

Given :

Area of square = Area of the rectangle

According to the question:

Length of the square be 'x'.

Its area = (Side)*(Side) =x^2   ...equation (i)

Length of the rectangle = (x+4)

Width of the rectangle = (x-2)

Area of the rectangle =Length * Width

⇒(x+4)(x-2)=x^2-2x+4x-8

⇒x^2+2x-8          ...equation  (ii)

Equating both the equation as area of both the figure are equal.

⇒ x^2+2x-8=x^2

⇒ 2x-8=0     ...subtracting x^2 both sides

⇒ 2x=8           ...dividing both sides with 2

⇒ x=\frac{8}{2}=4 inches

Plugging the value of x=4 in the length of the rectangle.

We have,

⇒(x+4)=(4+4)=8

So the length of the rectangle = 8 inches.

4 0
3 years ago
Please answer this multiple choice question correctly for 30 points and brainliest!!
Softa [21]

Answer:

  B.  88°

Step-by-step explanation:

In a properly drawn circle graph, the central angle is proportional to the size of the number being displayed. Here, 122 of 500 selected football. Since the total angle of a circle is 360°, that fraction is ...

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7 0
2 years ago
Which of the following is equivalent to 18- sq root -25
Ostrovityanka [42]

Answer:

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2).  The slope is  zero  and the y-intercept is  100.
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3 years ago
If blueberries cost $4.00 per pound, how many pounds of blueberries can you buy for $1.00?
Masteriza [31]

If x is the number of berries you can buy with 1 dollar,

1 pound of blueberries = $4.00

x pound of berries = $1.00

Lets set up a proportion- because these are directly proportional- when there is more pounds of berries, it will cost more.

\frac{1}{4.00} = \frac{x}{1.00}

Cross multiply

4x=1

Divide both sides by 4 to isolate x

x=1/4 or $0.25

7 0
3 years ago
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