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rewona [7]
3 years ago
9

15 points Help please

Mathematics
2 answers:
nekit [7.7K]3 years ago
5 0

Answer:6.75π

Step-by-step explanation:

Since the equation is πrh, it will be π(1.5)(3)

Which is 6.75π in terms of π.

Anika [276]3 years ago
5 0

Answer: I think that the answer is since if you solve it step by step its V=(3.14)*(1.5)^2*(3)=21.195

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Could someone please explain how to solve for the area?
mixas84 [53]

9514 1404 393

Answer:

  779.4 square units

Step-by-step explanation:

You seem to have several problems of this type, so we'll derive a formula for the area of an n-gon of radius r.

One central triangle will have a central angle of α = 360°/n. For example, a hexagon has a central angle of α = 360°/6 = 60°. The area of that central triangle is given by the formula ...

  A = (1/2)r²sin(α)

Since there are n such triangles, the area of the n-gon is ...

  A = (n/2)r²sin(360°/n)

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For a hexagon (n=6) with radius 10√3, the area is ...

  A = (6/2)(10√3)²sin(360°/6) = 450√3 ≈ 779.4 . . . . square units

8 0
2 years ago
Read 2 more answers
Match each equation with its solution
Ray Of Light [21]
You gotta show us the equations and solutions for an answer.
4 0
3 years ago
Solve the equation step by step and find the y value: 1/3(2y+6)=y+4
Mekhanik [1.2K]

Answer:

y = -6

Step-by-step explanation:

We are given;

1/3(2y+6)=y+4

We are required to solve for the value of X

First, we open the brackets;

(2/3)y + 2 = y + 4

Combining the like terms

(2/3)y - y = 4-2

Solving for y

(-1/3)y = 2

    -y = 6

     y = -6

Hence, the value of y is -6

5 0
3 years ago
C=3.14r+x solve for x
nasty-shy [4]
Subtracting 3.14r from both sides, we get c-3.14r=x
5 0
3 years ago
In a family of cats, there are 2 uncool cats for every 3 cool cats. If these cats have 120 paws altogether, how many cool cats a
alexdok [17]
2 + 3 = 5

2 uncool cats to 3 cool cats to 5 total cats.

120 paws/(4 paws per cat) = 30 cats

3 to 5 = x to 30

3/5 = x/30

5x = 3 * 30

5x = 90

x = 18

Answer: There are 18 cool cats.
3 0
3 years ago
Read 2 more answers
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