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masya89 [10]
2 years ago
13

Three semicircles are placed in a rectangle, as shown below. The length of the rectangle is 72m. Find the area of the shaded reg

ion. Use the value 3.14 for pi , and do not round your answer. Be sure to include the correct unit in your answer.

Mathematics
2 answers:
MArishka [77]2 years ago
4 0

<h2>Step-by-step explanation:</h2>

<h3>Width of rectangle = 7 cm</h3>

<h3>because ∵ width of rectangle is equal to the radius of each semicircle.</h3>

<h3>therefore ∴ radius of each semicircle (r) = 7 cm.</h3>

<h3>therefore ∴ Diameter of each semicircle = 14 cm</h3>

<h3>therefore ∴ Length of rectangle = 3 x 14 = 42 cm.</h3>

<h2>Answer:</h2>

<h3>63.21<em><u>c</u></em><em><u>m</u></em><em><u>'</u></em><em><u>2</u></em></h3>

<h2><em><u>Please!</u></em><em><u> </u></em><em><u>Mark</u></em><em><u> </u></em><em><u>me</u></em><em><u> as</u></em><em><u> brainliest</u></em><em><u> </u></em><em><u>please</u></em><em><u>.</u></em></h2>

andreyandreev [35.5K]2 years ago
4 0
Your answer is 1049.76

72 divided by 3= 24, 24 is your diameter of each semi circle

To find the area of your semi circles you’ll use pi times radius squared.

Aka 3.14 times 12^2 divided by 2 = 226.08

Times 3 for 3 semi circles

226.08 times 3= 678.24

Now find the area of the rectangle and you get the height from the semi circles which is 24m

72 times 24= 1,728m^2

Now you take the area of the rectangle and subtract the area of the circles

1,728 - 678.24 = 1,049.76m
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B) 7 \frac{3}{10}

This is the only fraction that converts into 7.3 (location of point a).

Let me convert it for you

7 \frac{3}{10}  \\ \\ \frac{73}{10} \\ \\ 7.3

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4 0
3 years ago
Taylor and Nora go to the movie theater and purchase refreshments for their friends. Taylor spends a total of $69.00 on 6 drinks
fgiga [73]

Answer:

The system if equation that can be used to derive this are

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Step-by-step explanation:

The question here says that Taylor and Nora went to the movie theater and purchase refreshments for their friends. Taylor spends a total of $69.00 on 6 drinks and 4 bags of popcorn Nora spends a total of $96.00 on 12 drinks and bag of popcorn.And we are now told to write a system of equations that can be used to find the price of one drink and the price of one bag of popcorn. Using these equations,we should determine and state the price of a drink, to the nearest cent .

Now, Let's assume that the price of a drink is "X" and that of a bag of popcorn to be Y

The first person made a purchase which led to the equation

6x + 4y = 69______ equation 1

And the second person also made a purchase that lead to the equation

12x + y = 96_____ equation 2

We make y the subject of the formula in equation 2 and apply it in 1

Y = 96 - 12x

Now apply the above in equation 1

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6x + 4(96 - 12x)= 69

6x + 384 - 48x = 69

42x = 384 - 69

X = 315/42

X = 7.5

Substitute x= 7.5 in equation 2

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12(7.5) + y = 96

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Y = 6

Therefore, the price of a drink is $7.5

4 0
3 years ago
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Answer:

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Step-by-step explanation:

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(12 - 23) * 2 = (-11) * 2 = - 22

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