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Alborosie
2 years ago
13

Find the volume of a right circular cone that has a height of 3.5 ft and a base with a diameter of 11.9 ft. Round your answer to

the nearest tenth of a cubic foot.
Mathematics
1 answer:
Hunter-Best [27]2 years ago
5 0

The volume of the cone is 116ft^3

<h3>Volume of a Cone</h3>

The formula of volume of a cone is given as

v = \frac{1}{3}\pi r^2h\\&#10;

The data given are;

  • h = 3.5ft
  • d = 11.9ft, r = d/2 = 11.9/2 = 5.95ft

We can substitute the values into the equation.

v = \frac{1}{3}\pi r^2h\\&#10;v = \frac{1}{3}*3.14*5.65^2*3.5 \\&#10;v = 116.94ft^3

The volume of the cone is 116.9ft^3

Learn more on volume of a cone here;

brainly.com/question/8994737

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3 years ago
how many 4 digit numbers n have the property that the 3 digit number obtained by removing the leftmost digit is one ninth of n
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Answer:

  7

Step-by-step explanation:

We want to find the number 4-digit of positive integers n such that removing the thousands digit divides the number by 9.

__

Let the thousands digit be 'd'. Then we want to find the integer solutions to ...

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The values of d that will give a suitable 4-digit value of n are 1 through 7.

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When d=9, n is 10125, not a 4-digit number.

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