A tube is being stretched while maintaining its cylindrical shape.
Answer:
This question is incomplete, the complete question is;
A tube is being stretched while maintaining its cylindrical shape. The height is increasing at the rate of 2 millimeters per second. At the instant that the radius of the tube is 6 millimeters, the volume is increasing at the rate of 96π cubic millimeters per second. Which of the following statements about the surface area of the tube is true at this instant? (The volume V of a cylinder with radius r and height h is V=πr2h. The surface area Sof a cylinder, not including the top and bottom of the cylinder, is S=2πrh.)
A) The surface area is increasing at the rate of 28pi square mm per second.
B) The surface area is decreasing at the rate of 28pi square mm per second.
C) The surface area is increasing at the rate if 32pi square mm per second.
D) The surface area is decreasing at the rate of 32pi square mm per second.
Answer:
Surface Area is increasing at the rate of 28π mm²/sec ( Option A )
Explanation:
Given the data in the question;
let r be the radius and h be the height of the tube
so volume V = πr²h
dv/dt = πr² dh/dt + 2nrh dr/dt
⇒ 96n = π × 36 × 2 + 2π × 6h dr/dt
⇒ 24π = 12nh dr/dt ⇒ h.dr/dt = 2
Area Surface S = 2nrh
ds/dt = 2π ( r.dh/dt + h.dr/dt )
= 2π ( 6×2 + 2)
= 2π (14)
= 28π
therefore Surface Area is increasing at the rate of 28π mm²/sec ( Option A )
Which expression is equivalent to (StartFraction (2 a Superscript negative 3 Baseline b Superscript 4 Baseline) squared Over (3 a Superscript 5 Baseline b) Superscript negative 2 Baseline EndFraction) Superscript negative 1? Assume mc026-2. Jpg.
Answer:
1
Explanation:
The expression that is equivalent to [(2a⁻³b⁴)²/(3a⁵b)⁻²]⁻¹ is;
1/(36a⁴b¹⁰)
The given expression is;[(2a⁻³b⁴)²/(3a⁵b)⁻²]⁻¹
Rewriting this equation gives;[(2a⁻³b⁴)² × (3a⁵b)²]⁻¹
Let us simplify (2a⁻³b⁴)² to get;
4b⁸/a⁶
Similarly for (3a⁵b)²;
⇒ 9a¹⁰b²
Thus, we now have;
[(4b⁸/a⁶) × 9a¹⁰b²]⁻¹
From laws of indices, we know that; x⁵/x³ = x⁽⁵ ⁻ ³⁾ = x²Thus; a¹⁰/a⁶ = a⁴
Similarly b⁸ × b² = b⁽⁸ ⁺ ²⁾ = b¹⁰
Thus, we now have;[(4b⁸/a⁶) × 9a¹⁰b²]⁻¹ = (36a⁴b¹⁰)⁻¹
Finally, we now have;
(36a⁴b¹⁰)⁻¹ = 1/(36a⁴b¹⁰)
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Which phrase best describes the vapor point of a substance?.
The phrase which best describes the vapor point of a substance is: the temperature at which additional heat energy causes the substance to change from a liquid to a gas.
A substance can be defined as a particular kind of matter that has uniform or definite properties.
In Science, there are two (2) main types of substance and these include:
An inorganic substanceAn organic substanceThe vapor vapor point of a substance refers to the temperature at which an additional quantity of heat energy causes a particular substance to be transformed (change) from a liquid to a gas or vapor.
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Read the excerpt from "Harlem. " Does it stink like rotten meat? Or crust and sugar over- like a syrupy sweet? Read the excerpt from "The Weary Blues. " Droning a drowsy syncopated tune Rocking back and forth to a mellow croon In both poems, Hughes uses the imagery to establish tone. Offer background information. Convey a criticism. Conjure pleasant memories.
Answer: establish tone
Explanation: ed 2021
There are different kinds of tones. Hughes uses the imagery to establish tone.
What does establishing tone implies?For one to establish a tone means to set a kind of quality, feeling, etc., by the approach one use in speaking or writing.
Tone is known to be an author's attitude toward a specific subject. The tone can be seen by looking at word choices and phrases that is used by the author or looking at the language used.
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What is the formula for calculating kinetic energy? KE = one halfmv2 KE = 2mv2 KE = one halfm2v KE = 2m2v.
Answer:
the formula for kinetic energy is
KE= 1/2 x m x v^2
Explanation:
i took this like 20 times this year
The formula for calculating kinetic energy is: Kinetic Energy (KE) = 1/2 * mass * velocity^2
Payton collected data to show the relationship between the number of hours he practices and the number of errors he makes when playing a new piece of music. The table shows his data. A 2-row table with 9 columns. The first row is labeled number of hours with entries 1, 2, 3, 4, 5, 6, 7, 8. The second row is labeled number of errors with entries 36, 34, 30, 31, 23, 16, 11, 5. Which is the approximate slope of the line of best fit for the data? –5. 5 –4. 5 –2. 0 –1. 0.
Answer:
-4.5
Explanation:
Dillon shakes a bottle of oil and vinegar salad dressing. The dressing mixes temporarily, but does not stay mixed. What property of the ingredients makes them separate? the oil and vinegar have the same solubility. The oil and vinegar have different temperatures. The oil and vinegar have different chemical properties. The oil and vinegar have the same saturation.
Most times, some ingredient cannot be combined together. The property of the ingredients makes them separate is that the oil and vinegar have different chemical properties.
Note that even if you try very hard to shake, stir oil and vinegar together, they will separate.Solubility aimed to be the ability of one substance to dissolve in another. This is because vinegar and oil are made of very different types of molecules that are attracted to their own kind.
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Answer:
C: The oil and vinegar have different chemical properties.
Explanation:
i gotchu bro :)
Which of the following is true if δesys = - 115 j?.
Answer:
115 j
is true
Explanation:
Thats the true
A sequence is defined recursively using the formula f(n 1) = f(n) – 5. Which sequence could be generated using this formula? 1, –5, 25, –125,. 2, 10, 50, 250,. 3, –2, –7, –12,. 4, 9, 14, 19,.
Answer: C ( 3,-2,-7,-12)
Explanation: teacher helped me and showed me
A product is marked down 15%; the sale price is $127. 46. What was the original price?.
Answer:
849.73 is the correct answer to the
question
What is the measure of angle coa? 140° 150° 160° 170°.
Answer:
160
Explanation:
edge 2021
The measure of angle COA will be 160°. Option C is correct. Center angle theorem is the base of the given problem.
What is the definition of geometry?It is concerned with the geometry, region, and density of various 2D and 3D shapes.
The measure of an angle formed by an arc of a circle with any point on the circumference of that circle is half the angle formed by that arc at the center of the circle.
The angle formed by arc AC at the center, will be twice as large. Therefore,
∠AOC = 2∠ABC
∠AOC = 2(80°)
∠AOC = 160°
As a result, the center angle AOC is 160 degrees.
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What features or elements of the story surprise me.
Answer:
and I can get you a new one for the main idea of the following is not a characteristic
Read the excerpt and answer the following question. What ideal of the american revolution did bolívar think would not work for south america? democracy individualism liberalism republicanism.
Answer:democracy
Explanation:
The idea of the American revolution did Bolivar think would not work for South America is democracy. The correct option is a.
What is the American revolution?Because of the American Revolution, true democratic politics became conceivable throughout the former colonies. In fact, the drafting of written state constitutions in 1776 and 1777 was the most important immediate result of America proclaiming independence.
The American Revolution ended in 1783, and the French Revolution began in 1789; however, the French Revolution was more complicated than the American Revolution.
The protest began in response to the British monarchy and Parliament levying taxes without regard for colonial representation.
Therefore, the correct option is a. democracy.
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In the past, behaviorists were not likely to view cognition as a part of learning because cognition __________. A. Does not affect behavior B. Disproved their theories C. Is unobservable D. Had never been studied Please select the best answer from the choices provided A B C D.
Answer:
C
Explanation:
is unobservable
"In the past, behaviorists were not likely to view cognition as a part of learning because cognition is unobservable." Thus, option D is correct.
What is cognition?Thinking, attention, language, learning, memory, and perception are all examples of cognitive activities that occur in the brain. These processes are not distinct talents; rather, they are a collection of interconnected abilities that enable us to function as healthy adults.
Learning, according to behaviorists, takes place mostly through observation. They thought that a person learns different parts of his or her life through observation. Imitation, modeling, and other forms of observation are all part of the observation process. Experiments on classical conditioning were used by behaviorists to illustrate that behavior is a learned process. Cognition, on the other hand, refers to the mental processes that include comprehension and knowledge.
As a result, Previously, behaviorists were unlikely to consider cognition to be a component of learning, since cognition is a mental process. Hence, option D is correct.
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Why does the husband not force the door open?
Answer:
I don't understand your question..
Explanation:
What movie or story is this for?
A study of the ways that health care is affected by the political party that is in power would be a ______.
Answer:
Macro Level Study
Explanation:
This is the macro level of study which is analysis of the society through examining the structures and institutions in the society.
The structures here are; the political party under study and the health care sector in the government.
Healthcare is a government institution that can be affected by political trends in the country including the governing political party.
Read the excerpt from "A Modest Proposal. " Whereas the maintainance of an hundred thousand children, from two years old, and upwards, cannot be computed at less than ten shillings a piece per annum, the nation's stock will be thereby encreased fifty thousand pounds per annum, besides the profit of a new dish, introduced to the tables of all gentlemen of fortune in the kingdom, who have any refinement in taste. And the money will circulate among our selves, the goods being entirely of our own growth and manufacture. Which sentence best paraphrases the excerpt? England will save a great deal of money because they will not have to maintain the cost of raising poor children. The money will circulate amongst themselves. Swift states that wealthy gentlemen with good taste will now have a new dish to buy and consume at mealtimes. Swift argues that caring for thousands of children will cost more than ten shillings a piece each year. His proposal to eat the children would increase the circulation of money by fifty thousand pounds yearly and strengthen England’s economy. Breeding, selling, and eating impoverished children will benefit the people of England in more than one way.
Answer:
C)Swift argues that caring for thousands of children will cost more than ten shillings a piece each year. His proposal to eat the children would increase the circulation of money by fifty thousand pounds yearly and strengthen England’s economy.
Explanation:
edg21
Swift argues that caring for thousands of children will cost more than ten shillings a piece each year. His proposal to eat the children would increase the circulation of money by fifty thousand pounds yearly and strengthen England’s economy.
What is Economy?A complex system of linked trading, consumption, and production activities makes up an economy, and it ultimately decides how resources are distributed among all the players.
The requirements of persons who live and work inside the economy are met by the creation, consumption, and distribution of products and services.
A country, a region, a single industry, or even a family may be represented by an economy. An economy is a collection of interconnected production and consumption processes that ultimately decide how resources are distributed within a community.
Therefore, Swift argues that caring for thousands of children will cost more than ten shillings a piece each year. His proposal to eat the children would increase the circulation of money by fifty thousand pounds yearly and strengthen England’s economy.
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What is the ratio of the area of ABC to the area of ABD? A. B. C. D.
Answer:
Explanation:
area ABD = 16*12/2
area ABC = 9*12/2
------------------------------
so the ratio of the area ABC to the area of ABD = (9*12/2)/(16*12/2) =
= 9/16
hope this helped!
mark me brainliest :D
The ratio of the area of ABC to the area of ABD is 9/16. The correct option is B.
What is the area?The space occupied by any two-dimensional figure in a plane is called the area. The space occupied by the triangle in a two-dimensional plane is called the area of the triangle.
The area of a triangle is the region bounded by its perimeter or its three sides. The area of a triangle can be calculated using the formula, where the base of the triangle is b and the height is h.
A = ½ (b × h)
The two areas will be calculated as:-
Area ABD = ( 1 / 2 ) x 16 x 12
Area ABC = (1 / 2 ) x 9 x 12
So the ratio of the area ABC to the area of ABD will be
= [ ( 1 / 2) x 16 x 12 ] ÷ [ (1 / 2 ) x 9 x 12 ]
= 9 / 16
Therefore, the area of ABC to the area of ABD is 9/16. The correct option is B.
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The question is incomplete. Your most probably complete question is given below:
A. 6/12
B. 9/16
C. 8/16
D. 7/8
Which of the following is not a special feature of the foreign exchange rate market.
Answer:
facilitate currency conversion
An oligopolistic market structure is distinguished by several characteristics, one of which is either similar or identical products. Which of the following are other characteristics of this market structure? check all that apply.
Answer:
The right options are:
B) Difficult entry
C) Mutual interdependence
D) Market control by a few large firms
Explanation: In an oligopoly, there is a small number of large firms dominating a very significant share of the overall market. In addition, an oligopoly is characterized by high entry barriers and the firms sell identical or differentiated products. Moreover, in an oligopoly, firms are interdependent as each firm control a significant market share; so, one firm's policies affect other firms.
Please comment if the answer is not clear to you or you need any improvement. Could you please rate the answer if it was helpful to you?
Explanation:
Which element is reduced in the following reaction? cu + 2h2so4 → cuso4 + so2 + 2h2o.
Answer:
2h6t
Explanation:
When a positive charge is released and moves along an electric field line.
what does it mean expalin it
Problems with sleep are more common than sleep disorders or parasomnias. Please select the best answer from the choices provided T F.
Answer:
True
Explanation:
E2023
Answer:
true
Explanation:
What pressure would a gas mixture in a 10. 0l.
Use the drop-down menus and your knowledge of suffixes to choose the correct word for each sentence. The searched for artifacts in a field. During the civil war, the country found itself in a state of near. He was when he learned that the director had given the role to another actor.
Answer:
Explanation:
1-archaeologist
2-anarchy
3-furious
yw :)
He learned that the director had given the role to another actor archaeologist.
What is Civil war?
The American Civil War, commonly referred to by other names, lasted from April 12, 1861, until May 26, 1865. The Union[f] ("the North") and the Confederacy ("the South"), the latter of which was made up of seceding states, engaged in combat.
The conflict over whether to allow slavery to spread into the western regions, creating more slave states, or to forbid it from doing so, which was widely believed to put slavery on the path to eventual extinction, was the main driver of the war.
The election of Abraham Lincoln as president of the United States in 1860 ended years of political contention over slavery because he opposed its spread into the country's western territories.
Therefore, He learned that the director had given the role to another actor archaeologist.
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How does empathy enable persons to establish genuine relationship with others.
A probe orbiting venus exerts a gravitational force of 2. 58 × 103 n on venus. Venus has a mass of 4. 87 × 1024 kg. The mass of the probe is 655 kilograms. The gravitational constant is 6. 67 × 10-11 n*m2/kg2. To three significant digits, the probe is × 106 m from the center of venus.
Answer:
[tex]\mathrm{9.08 \times 10^6 \:km}[/tex]
Explanation:
To solve for the distance between the probe and the center of Venus, use the formula:
[tex]\mathrm{F = \frac{G\: m1 \:m2}{r^2}}[/tex]
Plugin the values:
G =
[tex]6.67\times10^{-11} \mathrm{\frac{m3}{kg\: s2}}[/tex]
[tex]\mathrm{F} =2.58 \times 10^3\mathrm{N}[/tex]
[tex]\mathrm{m1 = 4.87 \times 10^{24}\:kg}[/tex]
[tex]\mathrm{m2 = 655\: kg}[/tex]
Hence:
[tex]\mathrm{F = \frac{G\: m1 \:m2}{r^2}}[/tex]
[tex]2.58 \times 10^{23} = 6.67 \times 10^{-11} (4.87 \times 10^{24})[/tex]
[tex]\frac{(655)}{r^2}[/tex]
[tex]\mathrm{r = 9.08 \times 10^6 \:km}[/tex]
Consider circle O. If AE = 7, EC = 2, and BE = 4, what is ED? A. 5 B. 4. 5 C. 4 D. 3. 5 E. 3.
Answer:
3.5
Explanation:
A student factors 10x2 + 3x – 27 to the following. (2x – 3)(5x + 9) which statement about (2x – 3)(5x + 9) is true?.
Answer:
b.
Explanation:
Answer:
B
Explanation:
i took the test
Complete the following equations (note that the equations are not balanced). Use the activity series if necessary. An activity series, listed as most reactive to least reactive: Upper L i, Upper K, Upper B a, Upper S r, Upper C a, Upper N a, Upper M g, Upper A l, Upper M n, Upper Z n, Upper C r, Upper F e, Upper C d, Upper C o, Upper N i, Upper S n, Upper P b, Upper H, Upper S b, Upper B i, Upper C u, Upper A g, Upper P d, Upper H g, Upper P t, Upper A u. Al AgCl Upper N a upper C l subscript 2 right arrow. ? AlAg3 Cl2 AlCl3 Ag no reaction AlCl Cl.
Answer :AlAg3 + Cl2
Explanation:
Al + AgCl Upper N a upper C l subscript 2 right arrow. ?
The complete chemical equation would be as follows:
[tex]AlAg_{3} + Cl_{2}[/tex]
Chemical equation is described as the representation or display of a chemical reaction in the form of chemical symbols or system.In the given equation, the subscript followed by AlAg3 by an upper C l subscript with 2. This will produce the reaction i.e. "[tex]AlAg_{3} + Cl_{2}[/tex]."
Thus, the complete equation would read as "[tex]AlAg_{3} + Cl_{2}[/tex]."
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