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pshichka [43]
3 years ago
11

The top of a round table with a diameter of 5.5 feet is painted white. how many square feet are painted

Mathematics
1 answer:
Firlakuza [10]3 years ago
5 0
The formula for area of a circle is:
A=(pi)r^2
If diameter is 5.5, divide by 2 to find radius is 2.75. 2.75^2 is 7.5625 then multiplied by 3.14 (pi) is 23.746.
Depending on how you round, about 23.7 square feet were painted.
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3 years ago
Yati has a coin box containing some coins. 40% of the coins are 20-cent coins and the rest are 50-cent coins.
lana66690 [7]

The fraction that should be removed is 1/5.

<h3>How to calculate the fraction?</h3>

It should be noted that from the information, 40% of the coins are 20-cent coins and the rest are 50-cent coins. Those that are 50 cent will be:

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The fraction that's should be removed will be:

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x = 2/5 - 1/5

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The fraction that should be removed is 1/5.

Learn more about fractions on:

brainly.com/question/17220365

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