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crimeas [40]
3 years ago
8

A Norman window has the shape of a semicircle atop a rectangle so that the diameter of the semicircle is equal to the width of t

he rectangle. What is the area of the largest possible Norman window with a perimeter of 36 feet?
Mathematics
1 answer:
WITCHER [35]3 years ago
7 0
Https://answers.yahoo.com/question/index?qid=20091104081842AAhdJmS

That might have your answer 

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3 8 B. Maria bought 13 pounds of nails for a carpentry project. She ended up with pound of nails when she finished the project.
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Step-by-step explanation:

let 1 pound of nail = x

so, the carved out waste nail will be = 12x

total nails = 13x

so the equation is =

13x - 12x = x

OR

x + 12x = 13x

Or

13x - x = 12x

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The diameter of a circle is 8 inches.What is the area?
Sphinxa [80]
The formula for finding the area of a circle is π r ²
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7 0
3 years ago
Read 2 more answers
DIRECTIONS: Road the question and select the best respons
lana66690 [7]

Answer:

C. 510 cm^2

Step-by-step explanation:

Well to find TSA or Total Surface Area,

We need to find the area of al the triangles and rectangles.

Let's start with the 2 rectangles facing forwards.

They both have dimensions of 5*15 and 12*15,

75 + 180

= 255 cm ^2

Now let's do the back rectangle which has dimensions of 15 and 13.

15*13 = 195 cm^2

Now we can do the top and bottom triangles,

Since we don't have height we can use the following formula,

A = \sqrt{S(S-a)(S-b)(S-c)}

S is S = \frac{1}{2} (A+B+C)

S= 15

Now with s we can plug that in,

A = \sqrt{15(15-5)(15-13)(15-12)}

The a b and c are the sides of the triangle.

So let's solve,

15 - 5 = 10

15 - 13 = 2

15 - 12 = 3

10*2*3 = 60

60*15 = 900

\sqrt{900} = 30 cm^2

Since there is 2 triangles with the same dimensions their areas combined is 60 cm^2

60 + 255 + 195 = <u><em>510 cm^2</em></u>

<em>Thus,</em>

<em>the TSA of the right triangular prism is C. 510 cm^2.</em>

<em>Hope this helps :)</em>

7 0
3 years ago
Read 2 more answers
Solve for I.<br> -30 = 5(x + 1)
iVinArrow [24]

Answer:

x or I=-7

Step-by-step explanation:

7 0
3 years ago
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