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4 years ago

1. Express the ratio in three different ways (grey to white.)

Mathematics

2 answers:

makvit [3.9K]4 years ago

6 0

2/3, 2 to 3, and 2:3 because those are the 3 ways to write ratios.

ad-work [718]4 years ago

5 0

Answer: 2/3, 2:3, and 2 to 3

Explanation: there are three different ways to write ratios - using fractions, semi colons, and the word “to”

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The volume of a cylinder varies jointly with the square of its radius and with its height: Cylinder A has a volume of 254.34 cub

adelina 88 [10]

Answer:

The volume of the cylinder B is 251.2 cubic inches.

Step-by-step explanation:

Given : The volume of a cylinder varies jointly with the square of its radius and with its height: Cylinder A has a volume of 254.34 cubic inches and has a radius of 3 inches and a height of 9 inches.

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Solution :

The volume of a cylinder varies jointly with the square of its radius and with its height i.e. the volume is

$V=k r^2h$

Where, k varies jointly

Now, Cylinder A has a volume of 254.34 cubic inches and has a radius of 3 inches and a height of 9 inches

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Substitute values in the formula,

$254.34=k\times3^2\times 9$

$254.34=k\times81$

$k=\frac{254.34}{81}$

$k=3.14$

Now, The volume of cylinder B, which has a radius of 4 inches and a height of 5 inches is given by,

$V=3.14r^2h$

$V=3.14\times 4^2\times 5$

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3 years ago

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