3 years ago

3 cars are washed 27 minutes at a car wash

Mathematics

1 answer:

andreyandreev [35.5K]3 years ago

8 0

Answer:

Each car takes about 9 minutes to be washed.

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So, the area of the trapezoid is 287 cm².

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Triangles are similar. Round answer to nearest tenth (step by step)

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13.5

Step-by-step explanation:

Similar = alike but not the same

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6/12 = 1/2

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Daniel wants to buy cookies for her friends. The area of a cookie is 113.04 in2. What is the circumference of the cookie?

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The circumference of the cookie is 37.68 inches.

Step-by-step explanation:

We have,

The area of a cookie is 113.04 square inches.

It is circular in shape. The area of circle is given by :

$A=\pi r^2$

r is radius of circle

$r=\sqrt{\dfrac{A}{\pi}} \\\\r=\sqrt{\dfrac{113.04}{3.14}} \\\\r=6\ \text{inch}$

The circumference of circular shaped object is given by :

$C=2\pi r\\\\C=2\times 3.14\times 6\\\\C=37.68\ \text{inch}$

So, the circumference of the cookie is 37.68 inches.

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3 years ago