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postnew [5]
3 years ago
6

HELP PLEASE! Will give out brainliest

Mathematics
1 answer:
charle [14.2K]3 years ago
4 0

Answer:

i would say b but not sure

Step-by-step explanation:

hope this helps let me know if i got it wrong

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A regular hexagon has a radius of 20 in. what is the approximate area of the hexagon
soldier1979 [14.2K]

Remark

You need 2 facts to solve this 

1.   The area of a hexagon is 

     A = 3*(sqrt(3) ) * a^2/2 

     Just to make this clear, I'll put it in Latex

Area = (3*\sqrt3 a^2)/ 2

2. The second fact you need to know is that the radius = the length of the side a.

Givens

r = 20 in

a = r where a is the length of the side of a hexagon.

Formula Substitute and solve.

A = 3*(sqrt(3) * a^2 ) / 2

A = 3*(sqrt(3) * 20^2) / 2

A = 3*sqrt(3) * 400 / 2

A = 3*sqrt(3) * 200

A = 3*1.7321 * 200

A = 1039 square inches.

4 0
3 years ago
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From the square with the rib is the cylinder wrapper built. Express the volume of this cylinder as a function of the rib a
Alisiya [41]

Answer:

Look I’m not an expert in math but here it is: 7.4

Step-by-step explanation:

Or in fraction form 37/500

7 0
3 years ago
A B C or D help fast please!!!!
vodka [1.7K]

Answer:

c I just saw ur question sorry if I too late

4 0
3 years ago
When would you use herons formula in the real world?
Natalka [10]
Heron's formula is named after Hero of Alexendria, a Greek Engineer and Mathematician in 10 - 70 AD. You can use this formula to find the area of a triangle using the 3 side lengths. Therefore, you do not have to rely on the formula for area that uses base and height. The picture below illustrates the general fro mu la where S represents the semi-perimeter of the triangle ,
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3 years ago
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Solve 4x - 3 = 18. Round to the nearest thousandth.
lorasvet [3.4K]

Answer:

x=5.250

Step-by-step explanation:

We have been given an equation 4x-3=18. We are asked to solve our given equation.

First of all, we will add 3 to both sides of our equation.

4x-3+3=18+3

4x=21

Now, we will divide both sides of our equation by 4.

\frac{4x}{4}=\frac{21}{4}

x=5.25

Upon rounding our answer to nearest thousandth (3 places after decimal) we will get,

x=5.250

Therefore, the solution for our given equation is x=5.250.

6 0
3 years ago
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