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Ymorist [56]
3 years ago
9

Find the volume of the cylinder.

Mathematics
2 answers:
Ugo [173]3 years ago
6 0

Answer:

339.12 in²

Step-by-step explanation:

V = π r² h

V = 3.14 (3)² (12)

V = 3.14 (9) (12)

V = 28.26 × 12

V = 339.12 in²

densk [106]3 years ago
3 0

Answer:

339.12 cu in.

Step-by-step explanation:

Volume = π r^2 h

=  π * 3^2 * 12

= 339.12 cu in.

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only the circle graph

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The sum of three times a number n and 2
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What is -2 × 1 1/4=
RoseWind [281]

Answer: -11/2

Step-by-step explanation:

Just set it up so it looks like this:

-2/1 x 11/4 and multiply across the top, which would be -22 and then the across the bottom, which would equal 4. So it’s -22/4. BUT you can simplify it down to -11/2 by dividing both sides of the fraction by 2. So then answer is -11/2

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5 0
2 years ago
the perimeter of a square is equal to the perimeter of an equilateral triangle the length of a side of the square is given by th
diamong [38]

Answer:

x = 3

Step-by-step explanation:

We are told that the length of a side of the square is x.

Now, perimeter of square = 4 × side length

Perimeter of square = 4x

Also,we are told that the triangle is equilateral and a side is (x + 1).

Thus, perimeter of triangle = 3(x + 1)

Since we are told that the perimeter of the square is equal to that of the equilateral triangle. Thus;

4x = 3(x + 1)

4x = 3x + 3

Subtract 3x from both sides to get;

4x - 3x = 3

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5 0
3 years ago
On Sunday 440 people visited a museum that charges $9 for each child and $12.50 for each adult. If the museum earned $5,220 on t
alisha [4.7K]

Answer:

A) 360 adults

Step-by-step explanation:

c=quantity of child

a=quantity of adult

9c+12.5a=5220

a+c=440    then c=440-a

substitute for c

9(440-a)+12.5a=5220

3960-9a+12.5a=5220

reduce

3.5a=1260

a=360

3 0
3 years ago
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