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2 years ago

This is about the cone formula. If you don't know it, please don't answer. If you do, PLEASE ANSWER.

Mathematics

1 answer:

lions [1.4K]2 years ago

6 0

9514 1404 393

Answer:

(b) 10.5 in

Step-by-step explanation:

The formula for the volume of a cone is ...

V = 1/3πr²h . . . . . . for radius r and height h

Then the height is ...

h = 3V/(πr²)

Your cone has a volume V = 199 in³ and radius r = 4.25 in, so the height is ...

h = 3(199 in³)/(π(4.25 in)²) ≈ 10.52 in

The height of the cone is about 10.5 inches.

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larisa [96]

I would go for answer a.

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3 years ago

The price of a watch was increased by 20% to £144. What was the price before the increase?

hammer [34]

Answer:

120 pounds

Step-by-step explanation:

Since the new cost is 144 pounds and this is 20% more, this is 120% of the original price. Remember 100+20 = 120. To find the original price set up a proportion with these values:

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3 years ago

What is the least significant place in 0.1030

olchik [2.2K]

<h3>Least Significant Digit Place (LSD)</h3>

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5 0

3 years ago

Read 2 more answers

What is the sales tax of a $178.90 video game system is the tax rate is 3.75%

juin [17]

It would be: 178.90 * 3.75%
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In short, Sales tax would be $6.71

Hope this helps!

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3 years ago

Which expression is equivalent to n+n+n? A. 3^n B. 3n C. n^3 D. n+3

Irina18 [472]

Answer:

B. 3n

Step-by-step explanation:

n + n + n = 3n

------------------------------------------

3n = n + n + n

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2 years ago