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Pie
3 years ago
6

1. 36x^2+____x+4 2. 49x^2-28x+____

Mathematics
1 answer:
Contact [7]3 years ago
8 0

Answer:

16

17

19

20

2113

12

12

13

13

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kondaur [170]

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3 years ago
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Saira is using the formula for the area of a circle to determine the value of LaTeX: \piπ. She is using the expression LaTeX: Ar
lord [1]

Given:

Area of a circle, A=50.265 sq. units.

Radius of circle, r = 4 units.

To find:

The value of π to the nearest thousandth.

Solution:

Formula for area of a circle is

A=\pi r^2

\dfrac{A}{r^2}=\pi

Ar^{-2}=\pi

Now, using Ar^{-2} expression, we can find the value of π.

\pi=50.265904(4)^{-2}

\pi=\dfrac{50.265904}{4^2}

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8 0
3 years ago
A store owner purchases thirty 75-watt light bulbs and 40 fluorescent light bulbs for a total cost of $95. A second purchase, at
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Answer:   75-watt are 30$  fluorescent are 30$ in the second and 65$ in the first

     

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3 years ago
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The repeating decimals is 4/9 

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

9514 1404 393

Answer:

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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)

__

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
3 years ago
Read 2 more answers
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