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Nesterboy [21]
3 years ago
8

What is the surface are of the cylinder pictured below ​

Mathematics
1 answer:
Elina [12.6K]3 years ago
4 0

Surface area of the cylinder is 294π in².

Step-by-step explanation:

  • Step 1: Surface area of a cylinder = 2πrh + 2πr² Here, r = 7 in, h = 14 in

⇒ Surface Area = 2 × π × 7 × 14 + 2 × π × 7 × 7

                          = π (196 + 98) = 294π in²

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PLease help i will give brainest
insens350 [35]

Answer:

pretty sure it's positive correlation

7 0
3 years ago
Given the triangle below, which of the following is a correct statement? Right triangle ABC with AB measuring 5, AC measuring 6,
Elanso [62]
Drawing a diagram to match this figure, BC would have to be the hypotenuse as it is the longest side of the triangle.  Angle A would have to be the right angle.  
For the first choice, \cot B = \frac{1}{ \tan B} 
\\ = \frac {1}{\frac {6}{5}}
\\ = 1 \div \frac{6}{5} = \frac{1}{1} \div \frac{6}{5}
\\ = \frac{1}{1} * \frac{5}{6} = \frac{5}{6}.  The first choice is not correct.
The second choice gives us \csc C= \frac{1}{ \sin C}= \frac{1}{\frac {5}{8}}
\\ = 1 \div \frac{5}{8} = \frac{1}{1} \div \frac{5}{8}
\\ = \frac{1}{1} * \frac{8}{5} = \frac{8}{5}.  The second choice is not correct either.
The third choice gives us 
6 0
3 years ago
ABCD ~ WXYZ. AD = 6, DC = 3, and WZ = 59. Find YZ.
dusya [7]
You take alll the answers and just divide each one
5 0
3 years ago
A paint company claims their paint will be completely dry within 45 minutes after application. Recently, customers have complain
Angelina_Jolie [31]

Answer:

The probability of observing a sample mean of x = 52 or greater from a sample size of 25 is 0.0000026

Step-by-step explanation:

Mean = \mu = 45

Population standard deviation =\sigma = 6

Sample size = n =25

Sample mean = \bar{x} = 52

We are supposed to find  the probability of observing a sample mean of x = 52 or greater from a sample size of 25 i.e.P(x\geq 52)

Z=\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}\\Z=\frac{52-45}{\frac{6}{\sqrt{25}}}

Z=5.83

P(Z<52)=0.9999974

P(Z\geq 52)=1-P(z

Hence  the probability of observing a sample mean of x = 52 or greater from a sample size of 25 is 0.0000026

3 0
3 years ago
Let f(x)=(8x^4-3)^3 and g(x)=8x^4-3 given that f(x)=(h g)(x) , find h(x)
Harman [31]

<u>Answer:</u>

h(x) = x^{3}

<u>Step-by-step explanation:</u>

f(x) = (8 \times x^{4}- 3)^{3} ------------(1) (given)

g(x) =(8 \times x^{4}- 3) -------------(2) (given)

so,

f(x) = h(g(x)) (given)

    = (g(x))^{3}-----(from (1) and (2))

⇒h(k) = k^{3}-----(taking g(x) = k)

⇒h(x) = x^{3} is the function.

8 0
3 years ago
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