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Gennadij [26K]
3 years ago
12

What is the volume of a cylinder, in cubic ft, with a height of 9ft and a base diameter

Mathematics
1 answer:
aev [14]3 years ago
4 0

Answer:

Volume of cylinder is: Volume=1808.64 ft³

Step-by-step explanation:

Height of cylinder = 9 ft

Base diameter of cylinder = 16 ft

We need to find volume of cylinder .

The formula used is: Volume=\pi r^2h

We need radius:

The radius = diameter/2 = 16/2 = 8 ft

Putting values and finding volume of cylinder

Volume=\pi r^2h

Volume=3.14\times (8)^2\times (9) \\Volume=3.14\times 64\times (9) \\Volume=1808.64 \: ft^3

So, Volume of cylinder is: Volume=1808.64 ft³

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The weights of certain machine components are normally distributed with a mean of 8.04 g and a standard deviation of 0.08 g. Fin
NISA [10]

Answer:

The bottom 3 is separated by weight 7.8896 g and the top 3 is separated by weight 8.1904 g.

Step-by-step explanation:

We are given that

Mean, \mu=8.04 g

Standard deviation, \sigma=0.08g

We have to find the two weights that separate the top 3% and the bottom 3%.

Let x be the weight of  machine components

P(Xx_2)=0.03

P(X

=0.03

From z- table we get

P(Z1.88)=0.03

Therefore, we get

\frac{x_1-8.04}{0.08}=-1.88

x_1-8.04=-1.88\times 0.08

x_1=-1.88\times 0.08+8.04

x_1=7.8896

\frac{x_2-8.04}{0.08}=1.88

x_2=1.88\times 0.08+8.04

x_2=8.1904

Hence, the bottom 3 is separated by weight 7.8896 g and the top 3 is separated by weight 8.1904 g.

5 0
3 years ago
Can someone answer this question please please help me I really need it if it’s correct I will mark you brainliest .
Scrat [10]

Step 1) Find the total circumference

C = pi x d

d = r x 2

d = 5 x 2 = 10

C = pi x 10 = 10pi

Step 2) Find 1/4 of the circumference

10pi / 4 = 2.5pi = 7.85

Step 3) Add the two radii sides to the 1/4 circumference

7.85 + 5 + 5 = 17.85

C = 17.85 feet

Hope this helps! :)

8 0
4 years ago
Read 2 more answers
Thereisalinethatincludesthepoint(1, -10)andhasaslopeof
Paladinen [302]

Answer:

i dont know i am so sorry

Step-by-step explanation:

good luck with it though

3 0
4 years ago
10 1/2 in simplest radical form
VARVARA [1.3K]

Answer:

21/2

Step-by-step explanation:

10*2+1/2=21/2

use the formula

a\frac{b}{c}=\frac{a*c+b}{c}

7 0
4 years ago
Fine the angles for 1 and 2 :)
Mama L [17]

Answer:

Angle1:12

Angle2:168

Step-by-step explanation:

Angle 1+angle 2=180

X-9+8x=180

9x=189

x=21

angle1=21-9=12

Angle2=180-12=168

8 0
3 years ago
Read 2 more answers
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