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Novosadov [1.4K]
3 years ago
11

(a) 88.83 is what percent of 21? (b) 25.83 is 52.5% of what number? Thanks!!!

Mathematics
1 answer:
amm18123 years ago
3 0
A is 4.23% of 21
B is 0.492
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10) 7 meters

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Step-by-step explanation:

10) The volume of a rectangular prism is calculated by multiplying the height, width, and length of the shape. In this question, we have the volume, the width, and height, but not the length. To find it, we can divide the width and height from the volume.

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12) We have to find the volume of a cylinder. The formula for this is V=\pi r^2h. We will use 3.14 for pi. The radius is 4 in and the height is 9 in. We can plug our values into the equation and solve.

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13) We will use the same formula for this. Our radius is 5 m and the height is 3 m. Plug the values in and solve.

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14) The radius of this cylinder is 15 cm. The height is 32 cm. Put these numbers into our formula.

V = \pir²h

V = \pi(15²)(32)

V = 3.14(15²)(32)

V = 708.5(32)

V = 22608

The volume of this cylinder is 22608 centimeters².

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15) The next cylinder has a radius of 8 cm and a height of 21 cm.

V = \pir²h

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V = 3.14(8²)(21)

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The cylinder has a volume of 4220.16 centimeters².

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16) This cylinder has a radius of 5 cm and a height of 15 cm.

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The volume is 1177.5 centimeters².

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17) The dimensions of this cylinder are 3 mm and 15 mm.

V = \pir²h

V = \pi(3²)(15)

V = 3.14(3²)(15)

V = 9.42(15)

V = 141.3

The volume is 141.3 millimeters².

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