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Licemer1 [7]
3 years ago
10

A hotel swimming pool is made up of four semicircles and a square. Find the perimeter of the swimming pool. Round your answer to

the nearest tenth. 10 yd 10 yd 10 yd 10 yd​

Mathematics
1 answer:
Umnica [9.8K]3 years ago
4 0

Answer:

62.8yd

Step-by-step explanation:

formula for circumference of a circle = 2 π r

The perimeter is 4 semi circles, so 2 full circles. The diameter is 10yd and the radius is half the diameter, so the radius is 5yd

working:

2 x π x 5 = 31.4yd

31.4 x 2 = 62.8yd

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Write the following improper fractions as mixed number or a whole number 28/3
kolbaska11 [484]

Answer: 9 and 1/3

Step-by-step explanation: To write an improper fraction as a mixed number, we divide the denominator into the numerator.

In this case, we divide 3 into 28.

3 divides into 28 nine times with a remainder of 1.

In other words, 9 wholes and 1 out of 3.

5 0
3 years ago
A bag contains 5 blue marbles, 2 black marbles, and 3 red marbles. A marble is randomly drawn from the bag.
frosja888 [35]

Answer:

Question 1:  4/5 or %80

Question 2:  7/10 or %70

Step-by-step explanation:

<u>Step 1:  Find the total amount of marbles</u>

5 + 2 + 3

<em>10</em>

<em />

<u>Step 2:  Find the probability of not drawing a black marble</u>

Add the total amount of marbles that are not black

5 + 3

<em>8</em>

<em />

Now find the probability:  

8/10

4/5 or %80

Answer:  4/5 or %80

<u>Step 3:  Find the probability of not drawing a red marble</u>

Add the total amount of marbles that are not red

5 + 2

<em>7</em>

<em />

Now find the probability:

7/10 or %70

Answer:  7/10 or %70

3 0
3 years ago
Please help!!!!!!!!!!!!!!!
andriy [413]

Answer:

13ft, the pole is 9 ft but since the rope is 4 feet from the tent,  the rope should be longer than the 9 ft pole. but 9+4= 13ft

Step-by-step explanation:

5 0
3 years ago
Below are two parallel lines with a third line intersecting them.<br> I need help solving for x
kvv77 [185]

Answer:

its a 50 degree angle i think.

Step-by-step explanation:

its a smaller size in scale of the bigger one.

6 0
3 years ago
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Yolanda is making a banner for a school pep rally. She cuts fabric in the shape of a parallelogram. The angle at the bottom-left
Roman55 [17]

Answer: x=100

Step-by-step explanation:

In parallelograms the opposite angles are equal. As the bottom left angle is 80° the opposite angle (top right), is also 80°. All 4 angles in a quadrilateral must add up to 360. Because you know 2 angles added together are 160° the other two angles must equal 200°. As opposite angles are equal you know 2x=200, divide by 2 x=100

8 0
3 years ago
Read 2 more answers
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