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dem82 [27]
3 years ago
12

What is the mass of a cylinder of lead with a radius of 2 centimeters and a height of 6 centimeters, given that the density of l

ead is 11.4g/cm^3?
Mathematics
1 answer:
ycow [4]3 years ago
7 0

The mass of lead cylinder is: 859.10 grams

Step-by-step explanation:

In order to find the mass of a cylinder we have to find the volume first

Given

Radius = r = 2 cm

Height = h = 6 cm

The volume of cylinder is given by:

V = \pi r^2h

Putting the values

V = 3.14 * (2)^2 * 6\\= 3.14*4*6\\=75.36\ cm^3

Now,

Density of lead per cm^3 = 11.4g

Mass\ of\ cylinder = Volume*Density\\= 75.36*11.4\\=859.10\ grams

The mass of lead cylinder is: 859.10 grams

Keywords: Volume, Density

Learn more about volume at:

  • brainly.com/question/2115122
  • brainly.com/question/2116906

#LearnwithBrainly

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10 − 3(2a − 1) = 3a + 1
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Answer:

4/3 =a

Step-by-step explanation:

10 − 3(2a − 1) = 3a + 1

Distribute

10 -6a +3 = 3a+1

Combine like terms

13 -6a = 3a+1

Add 6a to each side

13-6a+6a = 3a+6a +1

13 = 9a+1

Subtract 1 from each side

13-1 = 9a+1-1

12 = 9a

Divide by 9

12/9 = 9a/9

4/3 =a

4 0
3 years ago
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I will give BRAINLIEST to the correct answer <br> Find the measure of
Damm [24]

Answer: SOLN,

let,<FHC be x

<GHC+<FHC( sum of  angle of triangle=180 degree

 x+6m+55+8m+55=180

 x+ 14m+110=180

  x+14m=180-110

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6 0
3 years ago
The radius of a semicircle is 9.1 centimeters. What is the semicircle's perimeter?
Sloan [31]

Answer:

<u>46.77 cm</u>

Step-by-step explanation:

Perimeter of the semicircle = Circumference + 2r

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  • 9.1 (3.14 + 2)
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8 0
2 years ago
Solve 4q = 52
mr_godi [17]

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

4q = 52

Divide sides by 4

\frac{4q}{4}  =  \frac{52}{4}  \\

Simplification

q = 13

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8 0
2 years ago
Mark as brainlest! Write an equation for each problem. Then solve. If necessary, round your answers to the nearest hundredth.
MatroZZZ [7]

Answer:

a.$138

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Step-by-step explanation:

(/=division)

a.415/30=138

b.138/7=197

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