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3 years ago

The width of a rectangle measures

Mathematics

1 answer:

Airida [17]3 years ago

8 0

Answer:

Option (1)

Step-by-step explanation:

Length of a rectangle = (5.9d + 8.3f) cm

Width of the rectangle = (7.3d + 2.2f) cm

Since formula to get he perimeter of a rectangle is,

Perimeter = 2(length + width)

= 2[(7.3d + 2.2f) + (5.9d + 8.3f)]

= 2(13.2d + 10.5f)

= (26.4d + 21f) cm

Therefore, Option (1) will be the correct option.

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2 years ago

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The cost of the metals from the calculations performed is $ 402421.

<h3>What is density?</h3>

Density can be explained as a quantity having mass per unit volume and this can be calculated as:

Mass of the metal = ?

Density of the metal = 7.3 g/cm^3

height of the metal = 610 cm

radius of the metal = 8.7 cm

Volume of a cylinder can be calculated by using the formular below:

$(\pi r^2h )$ And this can be used by inserting the given values which is

$= 3.142 * (8.7)^2 * 610 cm = 145068.97cm^3$

Then we can calculate the mass as :

Mass = (density * volume)

$= (7.3 g/cm3 * 145068cm^3)\\\\=1059003kg$

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Learn more about density at: brainly.com/question/1578538

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2 years ago