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bixtya [17]
3 years ago
9

Volume of a Cylinder

Mathematics
1 answer:
creativ13 [48]3 years ago
3 0
Volume of Cylinder = \pi * (radius^2) * height

The problem says to use 3 for pi. The radius is half the top of the cylinder, which is 2 in / 2 = 1 in. The height is given to be 12 in.

Our equation becomes...

Volume = 3* (1)^2 * 12 = 36 in^3
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Which is the correct answer?
dlinn [17]

Answer:

A

Step-by-step explanation:

6 0
3 years ago
If the second hand of a clock has a length of 10 cm, find the distance the tip of the second hand travels in 45 seconds. Give an
UkoKoshka [18]

The distance traveled by the second hand of the clock is 0.471 m.

<h3 />

To calculate the distance the tip of the second hand of the clock travel in 45 seconds, we use the formula below.

<h3>Formula:</h3>
  • L = 2πr∅/360.................. Equation 1

<h3> Where: </h3>
  • L = distance traveled by the tip of the second hand.
  • r = Length of the second hand
  • ∅ = angle formed by the second hand of the clock
  • π = pie

From the question,

<h3>Given:</h3>
  • r = 10 cm = 0.1 m
  • ∅ = (360×45/60) =  270°
  • π = 3.14

Substitute these values into equation 1

  • L = 0.1×2×270×3.14/360
  • L = 0.471 cm.

Hence, The distance traveled by the second hand of the clock is 0.471 m

Learn more about distance traveled here: brainly.com/question/4931057

<h3 />

7 0
3 years ago
paula earned a 56% on her science test if she got 14 problems correct then how many questions were on the test
sweet-ann [11.9K]
56% = 14 questions

1% = 14 ÷ 56 = 0.25 questions

100% = 0.25 x 100 = 25 questions

Answer: 25 questions.
3 0
3 years ago
Read 2 more answers
The distance from Wakefield to London is 180 miles. A train travels this distance in 2 hours 15 minutes. Calculate the average s
Readme [11.4K]

Answer:

v = 80 mph

Step-by-step explanation:

Given that,

The distance from Wakefield to London is 180 miles.

The train travels this distance in 2 hours 15 minutes.

We need to find the average speed of the train. The average speed of the train is equal to the total distance covered divided by the time taken.

v=\dfrac{d}{t}\\\\v=\dfrac{180\ miles}{(2+\dfrac{15}{60})\ h}\\\\v=80\ mph

So, the required average speed of the train is 80 mph.

4 0
3 years ago
Solve for X. <br><br> <img src="https://tex.z-dn.net/?f=log_%7B8%7D%20x-log_%7B8%7D%20%28-2x%2B4%29%20%3D%20log_%7B8%7D%203" id=
taurus [48]

Answer: x=\frac{12}{7}

Step-by-step explanation:

Remember the logarithms properties:

log(m)-log(n)=log(\frac{m}{n})\\\\b^{log_b(a)}=a

Then,simplifying:

log_{8}(\frac{x}{-2x+4}) = log_{8}(3)

Apply base 8 to boths sides and then solve for "x":

8^{log_{8}(\frac{x}{-2x+4})}=8^{log_{8}(3)}\\\\\frac{x}{-2x+4}=3\\\\x=3(-2x+4)\\\\x=-6x+12\\x+6x=12\\7x=12\\\\x=\frac{12}{7}

4 0
3 years ago
Read 2 more answers
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