A silo​ (base not​ included) is to be constructed in the form of a cylinder surmounted by a hemisphere. The cost of construction per square unit of surface area is times as great for the hemisphere as it is for the cylindrical sidewall. Determine the dimensions to be used if the volume is fixed at cubic units and the cost of construction is to be kept to a minimum. Neglect the thickness of the silo and waste in construction

Answers

Answer 1

The dimensions to be used if the volume is fixed at cubic units include:

Surface area of a cylinder is 2πrh +2πr² Volume of cylinder = πr²h Volume of a hemisphere = 2/3 π r³ Surface area of a sphere = 4πr²

What is Volume?

This is defined as the amount of three-dimensional space enclosed by a closed surface.

The dimensions which can be used are shown above where r is radius and h is height.

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Related Questions

Again assuming again that the stack reaches terminal speed very quickly, about how long will the stack of coffee filters take to hit the ground?

Answers

Answer:

????? not sure if that answer your question.

A student pushes a 51. 5 kilogram bookshelf across a smooth floor with a net force of 67 n. What is the approximate acceleration of the bookshelf?.

Answers

acceleration of the bookshelf is equal to 1.30 m/s^2

A marble is placed at the bottom of a semi-spherical bowl, as shown in the figure. The marble is then displaced from the bottom of the bowl to a position about halfway from the top of the bowl. The marble is then released from rest such that the marble always remains in contact with the bowl. Students observe that the marble rolls back and forth as it oscillates about the bottom of the bowl. Which of the following statements best explains why the marble undergoes oscillatory motion?.

Answers

D. The sides of the bowl become steeper at positions farther from the bottom of the bowl.

Ways in which schools could promote social entrepreneurship to counteract unemployment.

Answers

The ways through which schools could promote social entrepreneurship as a viable option to counteract unemployment include:

1. Focus on case studies: It should be noted that case studies spur the curiosity of the students as they deal with business situations. This can help students in having an interest in entrepreneurship.


2. Partner with Businesses: Schools should partner with companies. In this case, the students can be sent to work in such companies as interns. This is useful for the students to have an insight into how entrepreneurship works as they are faced with real life situations. Also, being in the company of entrepreneurs and other employees in the company is vital to their growth.


3. Business executives can also be invited to schools to speak to the students and explain to them the importance of entrepreneurship.


4. Lastly, the curriculum that's used in schools should depict real life situations.

Sumi is constructing the inscribed circle for △def. She has already used her compass and straightedge to complete the part of the construction shown in the figure. What could be her next step?.

Answers

Answer:

The answer is Use the straightedge to draw DP

Explanation:

I just did the quiz :)

Two isosceles triangles with equal vertex angles are always

Answers

Answer:

congruent

Explanation:

can be proven using Side-Angle-Side

isosceles triangles have 2 congruent sides and equal vertexes gives you the needed angle.

Which of the following describes typical characteristics of federal states?.

Answers

independence

in the sense that it should be free from external interference

A student has a 5. 00 gram sample of calcium chloride (cacl2) solid. How many moles of calcium chloride are contained in this sample?

Answers

Answer:

0.0451 moles ≅ 0.04 moles

Explanation:

We are able to calculate how many moles of calcium chloride (CaCl₂) are in 5.00 g sample, by dividing the mass into the molar mass (MM) of the compound:moles = mass/MMFirst, we calculate MM of CaCl₂ from the chemical formula, using the molar mass of the elements Ca and Cl:MM CaCl₂ = (1 x MMCa) + (2 x MMCl) = 40 g/mol + ( 2 x 35.453 g/mol)                                                              = 110.9 g/mol.

 Finally, we calculate the moles from the mass and MM:moles of CaCl₂ = mass/(MM CaCl₂) = 5.00 g/(110.9 g/mol) = 0.0451 moles ≅ 0.04 moles

So your answer comes out as 0.0451 moles ≅ 0.04 moles.

Hope this helped :)

Arc cd is of the circumference of a circle. What is the radian measure of the central angle? radians radians radians radians

Answers

If the arc cd is K times circumference, then the central angle is K times 2pi.

(where K is any real between 0 and 1).

How to find the central angle?

The question is incomplete, but it can be answered in a general form.

We know that for a circle of radius R, the circumference is:

C = 2*pi*R

While for an arc of central angle θ, the length of the arc is:

A = θ*R

Now, if we know that the arc is K times the circumference (Where K can be any real number between 0 and 1), then we have that:

A = θ*R = K*2*pi*R

Now we can solve that for the central angle:

θ = K*2*pi*R/R = K*2*pi

θ = K*2*pi

So, if the arc cd is K times circumference, then the central angle is K times 2pi.

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Which of the following is an example of cyberharassment?

Answers

Cyber bullying, Commenting mean comments

The one among the options that is an
example of cyberharassment is
Someone keeps sending you instant
messages after you have asked them to
stop.

A. How far is the spot on the beach from the parking lot? b. How far will he have to walk from the parking lot to get to the refreshment stand?.

Answers

Could you please be more specific

Relationship break up because of a number of reasons name and explain two factors.

Answers

Answer:

1. misunderstanding.

2. lossing interest.

Which of the following is not a center of culture and trade in the pacific region? question 1 options: auckland sydney canberra perry

Answers

Answer:

Perry

Explanation:

Took the test

Perry is not the center of the culture and trade in the pacific region. Thus the option D is correct.

Where is Perry located?

The Perry is a city located in U.S state of Georgia. It does share the culture and tradition of the pacific region and hence is not a center of the trade and cultural exchange. The three main cultures of pacific regions are divided into Melanesia, Micronesia and Polynesia. While Auckland, Sydney, Canberra all fall in the Australia.

Find out more information about the Pacific region.

brainly.com/question/10113248.

Exchanging goods or services of equal value is called. Replaces the need for bartering. Money allows us to exchange for goods and services.

Answers

Answer:

Exchanging goods or services of equal value is called Bartering.

Money replaces the need for bartering.

Money allows us to exchange Value for goods and services.

Explanation:

Which lines in a dream within a dream can be described as a triplet that expresses the speaker's lament for lost dreams?

Answers

The Line 16-18 in the dream that was described as a triplet that expresses the speaker's lament for lost dreams.

What is the book of Lost Dreams?

The book of Lost Dreams is a collection of firsthand stories that entails different and wide variety of lost dreams.

The Lines 16-18 of the book can be described as a triplet that expresses the speaker's lament for lost dreams.

Therefore, the Option D is correct.

Missing options "A) lines 1-3, B) lines 5-7, C) lines 9-11, D) lines 16-18"

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Write a story which relates the events of your life from past present and future.

Answers

A  story which relates the events of your life from past present and future is given below

The story of energy?

When I was still a child, I was full of energy, as i often ran from place to place and  my body was full of light.

Then I grew, and i found out that life as a child is very different from adult life and adulthood consist of a lot of troubles and struggles.

But one thing i know is that i need to keep pressing on till i achieve my life's goal

Learn more about story  from

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What are the first five terms of the sequence given by the formula an=5n+1.

Answers

Answer:

1, 5, 9, 13, 176, 11, 16, 21, 265, 10, 15, 20, 255, 6, 7, 8, 9 

Explanation:

Answer:

6, 11, 16, 21, 26

Explanation:

Hope this helped<3

How does beamforming improve network service brainly.

Answers

It improve by being faster
Beamforming improves the spectral efficiency by providing a better signal-to-noise ratio (SNR). Working with other antenna technologies such as smart antennas and MIMO, beamforming boosts cell range and capacity. That means mobile device users get stronger, clearer signals.

A steel plant has long production runs to make steel beams, which can be made available on demand. These finished products turned out over time are considered the results of a(n).

Answers

The finished products which are turned out over time can be considered the results of: a continuous process.

What are Finished Products?

Finished products are considered goods that have undergone the manufacturing process.

For example, in steel plant having long production process to manufacture steel beams, the finished products that is turned out over time is what we consider the results of a continuous process.

Learn more about finished products on:

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An engineer finds that a large wind turbine for generating energy rotates at a constant angular speed of 2. 0 rad/sec. Through what angle does it rotate in one minute?

Answers

The constant angular speed of the wind turbine is 19.1 rpm

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

Conversion from rad/s to rpm is:

1 rad/s = 60/2π rpm

Hence:

2 rad/s = 2 * 60/2π rpm = 19.1 rpm

The constant angular speed of the wind turbine is 19.1 rpm

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How do ribosomes and the golgi apparatus interact to maintain homeostasis?

Answers

you will have to probably add both of the,m up and get a telescope to see

Explanation:

yy

Answer: b. Ribosomes transport/package proteins!!

What is the probability that the random variable x is less than 40.

Answers

Question:•What is the probability that the random variable x is less than 40.

Answer:

From the table, P(X≥0)=P(0)+P(1)+P(4)=0.5+ 0.2+0.1=0.8. Since none of the numbers listed as possible values for X is less .

Explanation:

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Which demographic shift caused a change in the idea of the traditional american family after the war?.

Answers

Answer:

Explanation:

War forces women to enter the labor market more massively and with that, women were gradually able to find a place of work, because in the war, as men were needed to work, but most were in the war, women served as a workforce, this opened up a greater space for them, to encourage them to continue making space in the market.

What changed as a result of civil rights legislation brainly.

Answers

The Civil Rights Act of 1964 banned discrimination and segregation on the basis of race, religion, national origin and gender in the workplace, schools, public accommodations and in federally assisted programs

At papa john's you are deciding on what you want for dinner.

Answers

Give brainliest pls: a cheese pizza

What must be the value of x so that the two triangles are congruent by sss postulate

Answers

Answer:

17x-8=11x+4

Add 8 to both sides:

17x=11x+12

Subtract 11 x from both sides:

6x=12

Divide both sides by 6:

x=2

It is often cheaper and more efficient for consumers if certain utilities are produced, maintained, and delivered by one or two companies. This would be an example of.

Answers

The above scenario would be an example of economies of scale.

What are economies of scale?

Economies of scale are regarded as a kind of cost advantages that is often benefited or reaped by firms if their production is efficient.

Companies are known to often achieve economies of scale through the act of increasing production and reducing costs. This takes place due to the fact that costs are spread over a larger amount of goods.

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Determine how many grams of co2 are produced by burning 2. 43 g of c4h10.

Answers

7.37g of CO₂ is formed by burning 2. 43 g of c4h10.

Calculating mass of CO2 produced.

The balanced reaction is given as

2C₄H₁₀ + 13O₂ ---> 8CO₂ + 10H₂O

The stoichiometry of C₄H₁₀ to CO₂tells us that

for every 2 mole of butane used up,8 moles of CO₂ are formed

or simply

for every 1 mole of butane used up,4 moles of CO₂ are formed

Calculating the number of moles used, we first find molar mass of butane

molar mass of butane = (12 g/mol x 4) + (1 g/mol *x10) = 58 g/mol

Number of moles  = Mass / Molar mass

=    2. 43 g/ 58 g/mol= 0.041 8mol

Rem,

1 mol of butane forms  4 mol of CO₂

Therefore 0.041 8mo lof butane forms = 4 x0.041 8mol = 0.1675mol of CO₂

molar mass of CO₂ = 44 g/mol

Mass of CO₂ formed =0.1675mol X 44 g/mol = 7.37g of CO₂ is formed

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What is the monthly payment rate for a $20,000 loan for 4 years with an annual interest rate of 4. 8%?

Answers

Answer:

The monthly payment rate should be $3,480.

Given that,

   The monthly payment rate for a $20,000 loan for 4 years with an annual interest rate of 4.8%.

Based on the above information, the calculation is as follows:

= $3,480

The c-c-c bond angle in propane c3h8 is closest to

Answers

Answer:

90°

Explanation:

A. 90°

B. 109.5°

C. 120°

D. 180°

The C-C-C bond angle in propane, C3H8, is closest to A. 90° B. 109.5° C. 120° D. 180°

(please give Brainliest)

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