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zavuch27 [327]
2 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.

Mathematics
2 answers:
NeX [460]2 years ago
5 0

Answer:

144

Step-by-step explanation:

Readme [11.4K]2 years ago
4 0

Answer:

370.2

Step-by-step explanation:

We need to find the area of the square, and the area of the 4 semi circles and add them up.

The area of a square is given by the formula A = S², where the sides are 12. therefore:

12² = 144

4 semi circles are equivalent to 2 full circles. In order to find the area of the two circles, you can use the formula:

A = πr²   ⇒  where r is 1/2 the diameter

A = π(6)² ⇒36π *2(because its two circles)

Area of the 2 full circles it 72π ≅ 226.19

Then the area of the figure: 144+226.19

370.19 ≅ 370.2

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Answer:

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Step-by-step explanation:

Si Matusalén vivió 979 años y Abraham vivió 175 esto quiere decir que abraham vivio menos años que Matusalén.

Por lo que la fracción va a tener que ser menor que 1 ya que al multiplicarla por la edad de Matusalén nos tiene que dar la de Abraham.

Tenemos que encontrar una fraccion que multiplicada por 979 nos de 175.

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Tenemos que despejar la x y encontraremos el valor de la fraccion.

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