Human Eye ModelExperiment 1: Optics of the Human Eye Part 2: Accommodation In the process of accommodation, muscles in the eye change the shape of the crystal- line lens to change its focal length. Initially, you will model accommodation by vary- ing the focal length of the crystalline lens using the adjustable focus lens. Later, when the model is filled with water, accommodation is achieved by replacing the crystalline lens with fixed lenses of various focal lengths. Procedure Note: If you have not done so yet, follow the instructions of page 5 to fill the adjustable focus lens with water. 1. Do not fill the eye model with water yet. Replace with lens in the SEPTUM slot with the adjustable focus lens. Position the eye model about 25 cm from the illu- minated screen Can you see the image on the retina? Move the syringe plunger to adjust the lens and form the clearest image possible. Is the lens concave or convex? Is it a converging lens or a diverging lens? 2. Move the eye model farther from the illuminated screen to about 50 cm. Adjust the lens again to form the clearest image. Did you increase or decrease the power of the lens? Did you increase or decrease the focal length? 3. Replace the adjustable focus lens with the +400 mm lens in the SEPTUM slot. Adjust the distance of the illuminated screen to form a clear image. Mark the position of the eye model so you can retum it to the same place after you fill it with water. 4. Fill the eye model with water to within 1 or 2 cm of the top. Return it to the same position as in step 3. Is the image still in focus? Try changing the distance, can you get it to focus? Explain what effect do the aqueous and vitreous humors (modeled by the water) have on the focal length of the eye's lens system? 5. Place the eye model about 35 cm from the light source, Replace the +400 mm lens in the SEPTUM slot with the +62 mm lens. Is the image in focus now? Move the eye model as close as possible to the light source while keeping the image in focus. Describe the image on the retina screen 6. Measure the object distance, o, from the screen of the light source to the top rim of the eye model, as pictured below. (The front of the rim is a convenient place to measure to and marks the center of the eye model's two-lens system.) Record this distance, which is the near point of the eye model when equipped with the +62 mm lens. The average human eye has a near point for distinct vision of about 25 cm tak +62 mm Lens

Answers

Answer 1

The experiment demonstrated the adjustments needed for achieving a clear image in the optics of the human eye model. The lens selection, positioning, and introduction of water mimicked the effects observed in a real eye.

Experiment 1: Optics of the Human Eye

1. The lens in the SEPTUM slot is replaced with the adjustable focus lens. The eye model is positioned about 25 cm from the illuminated screen.

If the image is not visible on the retina, the syringe plunger is moved to adjust the lens and to create the clearest image possible. The lens is convex and is a converging lens.

2. The eye model is moved farther from the illuminated screen to approximately 50 cm. The lens is adjusted to create the clearest image. The power of the lens has decreased, and the focal length has increased.

3. The adjustable focus lens is replaced with the +400 mm lens in the SEPTUM slot.

The distance between the illuminated screen and the eye model is adjusted to produce a clear image. The position of the eye model is marked so that it can be returned to the same position after it is filled with water.

4. The eye model is filled with water to approximately 1-2 cm from the top. It is returned to the same position. The image is still in focus. It is possible to adjust the distance to obtain a focused image.

The aqueous and vitreous humors, represented by water, have a significant impact on the eye's lens system's focal length. They serve to improve the focal length of the lens by providing a uniform refractive medium for the light to pass through.

5. The eye model is positioned roughly 35 cm from the light source. The +400 mm lens in the SEPTUM slot is replaced with the +62 mm lens. The image is in focus now.

The eye model is brought as near to the light source as possible while still keeping the image in focus. The image on the retina screen is vivid.

6. The object distance is measured from the screen of the light source to the top rim of the eye model. The near point of the eye model is around 25 cm when using a +62 mm lens. The near point of a human eye is about 25 cm, indicating that the eye model is a good representation of a real eye.

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Related Questions

In a certain breed of horses, the allele for a white coat (W) is co-dominant with the allele for a brown coat (B). A white horse (WW) is crossed with a brown horse (BB)What do you predict for genotype (s) and phenotype(s) of the offspring?

Same thing with incomplete dominant

Answers

Answer:

Hope this helps have a good day <3

Explanation:

If you know the genotypes of two parents, you can predict the genotype and phenotype of their offspring. The B allele is dominant, so its phenotype is expressed, even when the b allele is present in the genotype. ... Write the second allele for the Bb horse here.

pls help me I'll give 15​

Answers

Answer:

i dont care

Explanation:

i dont know

Many cellular processes are performed by cells. A typical cell and a common process are shown in the diagram below.

Which of the following is the best reason this cell is going through the process shown?
to reproduce another cell
to compete with another cell
to maintain homeostasis of the cell
to provide protection for the cell from the environment

are shown in the diagram below.

Answers

To reproduce another cell.

Which layer appears to be the least resistant to
weathering?

Answers

Answer:

A

Explanation:

A is at the top therefore would be most affected by the weathering

2. Draw a vertical profile of soil and groundwater below our feet, including a small stream. Include and label all major components: groundwater table, confining layers, unconfined aquifer, confined aquifer, saturated zone, unsaturated zone, the direction of groundwater flow. Be sure to show how the stream water level connects to the groundwater table. What if you spilled a DNAPL (a dense non-aqueous phase liquid) on the soil surface? Where would it migrate to in the subsurface? What if you spilled a LNAPL (a light non-aqueous phase liquid) on the soil surface? Where would it migrate to in the subsurface?

Answers

In a vertical profile, the soil and groundwater consist of the unsaturated zone, groundwater table, and saturated zone. A DNAPL spilled on the surface would migrate downward through the unsaturated zone, accumulating at a confining layer. An LNAPL spilled on the surface would migrate horizontally through the unsaturated zone, floating on the groundwater table.

A vertical profile of soil and groundwater below our feet, including a small stream is a type of representation of soil and groundwater below the earth's surface.

It is used to show the various layers present in the earth's surface, and how groundwater flows in it. In the profile, all major components are included and labeled as follows:

1. Groundwater table: The groundwater table is the topmost layer of groundwater. It is the surface of the groundwater, and it indicates the level of water in the subsurface.

2. Confining layers: Confining layers are layers of soil that restrict the flow of water. They can be made up of clay, silt, or other types of soil.

3. Unconfined aquifer: An unconfined aquifer is a type of aquifer that is not confined by any layer of soil. It is open to the surface and is connected to the atmosphere.

4. Confined aquifer: A confined aquifer is a type of aquifer that is confined by a layer of soil. It is not open to the surface and is not connected to the atmosphere.

5. Saturated zone: The saturated zone is the area of the soil where the pores are filled with water.

6. Unsaturated zone: The unsaturated zone is the area of the soil where the pores are not filled with water.

7. The direction of groundwater flow: Groundwater flows from higher elevations to lower elevations. It flows in the direction of the groundwater table.

8. Stream water level connects to the groundwater table by capillary action. If a DNAPL (a dense non-aqueous phase liquid) is spilled on the soil surface, it would migrate to the saturated zone since it has a high density and is non-aqueous. In the subsurface, it will move down until it reaches the first confining layer.

After it reaches the confining layer, it will move laterally and can eventually reach the confined aquifer. DNAPLs are hazardous chemicals that can contaminate groundwater, so they are a significant concern.

If a LNAPL (a light non-aqueous phase liquid) is spilled on the soil surface, it would migrate to the unsaturated zone because it has low density and is non-aqueous. The LNAPL will remain in the unsaturated zone until it is completely evaporated, absorbed by the soil, or removed. Because they are not as dense as water, they pose less of a risk to groundwater contamination than DNAPLs.

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Which group of fungus convert sugar to alcohol

Answers

Answer:

yeast

Explanation:

yeast are another group of fungi important for both food and beverage fermentation the process that converts sugars into alcohol and carbon dioxide

what is the relationship between the rate of wind and the amount of abrasion?

Answers

Answer: Rocks were abraded by a sand-laden air- jet in the laboratory to examine the quantitative relationships between wind abrasion and wind velocity, quantity and grain- size of wind blown sand particles, and physical properties of the target rocks.

Coral reefs support more species than any other marine environment. The biodiversity in a coral reef is great, and scientists estimate that there may be another 1 to 8 million undiscovered species of organisms living in and around reefs. Reef structures protect shorelines against waves preventing the destruction of beaches and coastal property. An artificial reef is a man-made structure that mimics some of the characteristics of a natural reef. Often, old ships and even subway cars are sunk off the coastal shore to create an artificial reef environment. What is the greatest benefit an artificial reef would provide to the people living along the coast

Answers

Answer:

The artificial reef would decrease erosion of the coastline.

Explanation:

Artificial reefs are created in area where there is little uderwater topography or near established coral reefs to imitate or even substitute for natural coral reefs where they are absent or endangered due various factors which are mostly human in nature. The artificial serves to provide a habitat for marine organisms and ensure more biodiversity around the area by providing shelter from predation and surfaces for encrusting organisms such as corals and sponges to grow on. The growth of these lower level food chain organisms attract larger predator organisms thereby increasing the biodiversity in the area.

Artificial reefs are made from a variety of materials such as shipwrecks, construction debris, oil rigs, concrete, and any other man-made objects. Since reef structures protect shorelines against waves, artificial reefs would decrease the erosion of the coastline providing benefit to the people living along the coastline by preventing the destruction of beaches and coastal property,

if one jar of coffee costs $y, what will be the cost of four jars of coffee​

Answers

Your answer would be $4 times $y.

Hope this helps; have a great day!

$4y is how we would express 4 times y in dollars. Please let me know if you have questions.

The best-accepted hypothesis for the dispersal of monkeys to the New World is: Group of answer choices platyrrhines evolved from early anthropoids in Africa and rafted or island hopped across theAtlantic to South America. platyrrhines evolved from adapiforms in Asia and crossed a land bridge to the Americas. Old and New World anthropoids evolved independently from different lineages of Eocene primates in Africa and South America, respectively. transportation after human colonization.

Answers

Answer:

platyrrhines evolved from early anthropoids in Africa and rafted or island hopped across the Atlantic to South America. ( option A )

Explanation:

The best-accepted hypothesis for the dispersal of monkeys to the New World is ; platyrrhines evolved from early anthropoids in Africa and rafted or island hopped across the Atlantic to South America.

The group of answer choices are various hypothesis about the dispersal of monkeys but the best-accepted hypothesis is the first option ( Option A )

3. Which type(s) of cells have genetic material that is contained in a nucleus?

A. bacterial
B. plants only
C. animals only
D. both plant and animal cells

Answers

Answer:

D. Both plant and animal cells

Explanation:

The explanation is that animal and plant cells are eukaryotic cells which means they have a nucleus which contains and protects the genetic material. Bacteria is a prokaryotic cell which means it does have genetic material but doesn't have a nucleus.

In all reptiles, birds, and mammals, the processes of excretion, water and salt balance,
and the regulation of pH in body fluids are controlled by the kidneys. This is an example
of the organism maintaining
a. reabsorption
b. homeostasis
c. insulation
d. hibernation

Answers

Should be homeostasis

you are a researcher studying aquatic parasites at point reyes national seashore. during your studies, you come across a new animal species. after a thorough examination, you determine that the organism has bilateral symmetry, tissues, and lacks a body cavity. what kind of animal is it?

Answers

As a researcher studying aquatic parasites at Point Reyes National Seashore, after a thorough examination of an animal species with bilateral symmetry, tissues, and no body cavity, it can be concluded that it belongs to Phylum Platyhelminthes which contains flatworms. The organism belongs to the Phylum Platyhelminthes, which contains flatworms.

The phylum consists of free-living and parasitic organisms that have a simple body structure without a coelom (body cavity) and lack specialized respiratory and circulatory organs. Because the organism lacks a coelom, which is a major characteristic of higher animals like mammals and birds, it is a flatworm. The absence of a body cavity makes flatworms very thin and flattened with tissues and organs directly attached to each other. These animals are known for their parasitic lifestyles. They can live in marine, freshwater, and even damp terrestrial environments. Bilateral symmetry, which means that the animal has a left and right side that are mirror images of each other, is also a common feature of this phylum. The nervous system of flatworms consists of a ganglionated nerve cord with one or two pairs of nerve ganglia.

The flatworm's digestive system is incomplete and mouth-like structures can be found on both ends of their body. Their mode of reproduction includes sexual and asexual reproduction. Some flatworms are free-living, while others are parasites and are responsible for many diseases in humans and animals.

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true/false. make a distinction between air distribution and gas exchange in the respiratory system. identify the organs that serve as air distributors and gas exchangers.

Answers

False because air and organs savor the same

describe the steps to regeneration of nerve fibers:

Answers

The process for regeneration of nerve fibers include formation, extension, guidance, synaptogenesis, recovery.

The following are involved in the regeneration of nerve fibers:

1: The formation of the growth cone- The leading edge of a growing axon during neuronal development or regeneration is called the growth cone. The growth cone has the ability to sense its surrounding environment, as well as a motile structure, allowing it to move in response to environmental cues.

2: Extension of Axon- Once the growth cone has been formed, the axon can start extending through it. The growth cone moves by a series of cyclic steps that involve extension, attachment, and retraction, all of which are under the control of various molecules.

3: Directional Guidance- Once the growth cone is extended, the nerve fiber should now be guided to its target area. Growth cones are guided in different directions by a variety of guidance cues, such as cell adhesion molecules, neurotrophic factors, and semaphorins.

4: Synaptogenesis - When the nerve fiber reaches its destination, it will need to make contact with other cells, which will be accomplished via synapse formation. Synaptogenesis allows neurons to communicate with each other, and it is a critical component of nervous system function.

5: Functional Recovery- The final phase is functional recovery, where the axon reestablishes its connection with the target cell and resumes the function it was intended to carry out before being damaged.

Regeneration of nerve fibers is a complex process that depends on numerous factors, including the location of the injury, the nature of the injury, the age of the patient, and various other factors. It's also worth noting that, in some cases, nerve regeneration may not be possible at all.

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A) If a female spinach plant with green (GG) leaves is crossed (pollination and fertilization occur) with a male spinach plant with purple (gg) leaves. What are the genotypes of the offspring and what traits will they express including the probability or ratio.

Answers

Answer:

The genotype Ratio is 1. All are Gg.

The phenotype is all Green spinach

Explanation:

Punnett Square:

    G                G

    _________________

g   |   Gg         |     Gg          |

    |________|________  |

g   |    Gg        |     Gg          |

    |________|________  |

The genotype Ratio is 1. All are Gg.

The phenotype is all Green spinach

Name 3 stages of cell division, and give a brief description of what happens in each stage? please help I really need some help with this much appreciated​

Answers

Answer:

Prophase

- Mitosis begins with prophase, during which chromosomes recruit condensin and begin to undergo a condensation process

Metaphase

- Next, chromosomes assume their most compacted state during metaphase, when the centromeres of all the cell's chromosomes line up at the equator of the spindle

Anaphase

- The progression of cells from metaphase into anaphase is marked by the abrupt separation of sister chromatids. Two separate classes of movements occur during anaphase. During the first part of anaphase, the kinetochore microtubules shorten, and the chromosomes move toward the spindle poles. During the second part of anaphase, the spindle poles separate as the non-kinetochore microtubules move past each other

Answer:

the 3 stages are: Interphase, Mitosis, Cytokinesis

Explanation:

Interphase is the phase of the cell cycle in which a typical cell spends most of its life. Interphase is the 'daily living' or metabolic phase of the cell, in which the cell obtains nutrients and metabolizes them, grows, replicates its DNA in preparation for mitosis, and conducts other "normal" cell functions.

Mitosis: a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.

Cytokinesis: The cytoplasmic division of a cell at the end of mitosis or meiosis, bringing about the separation into two daughter cells.

why does the male body stop producing testosterone when using anabolic steroids

Answers

Answer:

The use of anabolic steroids can raise blood levels of testosterone well above a person's normal range. As a result, the body may try to regulate testosterone levels by shutting down its own production of testosterone. In order to prevent this, people usually use anabolics in cycles of a few weeks on and then off.

Explanation:

- Eijiro <3

When digested food is absorbed into the blood vessels, it is carried to the rest of the body by the

lymph

white blood cells

lungs

plasma

blood

Answers

The plasma carries nutrients throughout the body to the cells, as well as takes waste products.

Compare blood cells to plant cells

Answers

Answer:

Plant cells are encompassed by a rigid cell wall, while human white blood cells have a plasma membrane.

Explanation:

explain the effects on anaerobic respiration on plants and animals​

Answers

Answer:

Anaerobic respiration in plants produces ethanol (C2H5OH) whose accumulation may kill the plant, whereas in animals anaerobic respiration produces lactic acid (CH3CH(OH)COOH) that however cannot cause death of animal but lead to minor muscle cramps, but they can be cured with hot water bath or a massage.

quick help will give brainliest​

Answers

Answer:

the correct answer is c i just tuck the text

Explanation:

C. The centromeres of sister chromatid separate

A fish population of 250 in a pond has maximum annual rate of increase of 0.8_ If the carrying capacity of the pond is 1,500 for this species, what is the expected population size after_ one year? 167
417
450 500

Answers

The expected population size after one year is 450 individuals because it is less than the carrying capacity of the pond.

The annual rate of increase of a fish population of 250 in a pond has a maximum annual rate of increase of 0.8, and the carrying capacity of the pond is 1,500 for this species, what is the expected population size after one year?The annual rate of increase for a fish population is defined as the maximum number of new individuals that can be produced in a population during a year.

The formula for calculating the rate of increase is:

Rate of increase = (birth rate + immigration rate) - (death rate + emigration rate)For this population, the annual rate of increase is 0.8. That means that in one year, the population can increase by 0.8 * 250 = 200 individuals. So if the population size at the start of the year is 250, the population size at the end of the year would be 250 + 200 = 450 individuals.

The carrying capacity of a pond is the maximum number of individuals of a species that can be sustained by the environment. In this case, the carrying capacity is 1,500 individuals. However, the population size cannot exceed the carrying capacity of the pond, so we need to adjust our answer accordingly. Therefore, the expected population size after one year is 450 individuals because it is less than the carrying capacity of the pond. Therefore, the answer is 450.

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organize at least seven of your body's cell processes that require energy

Answers

Answer:

search up the question and you find lots of accurate results

Energy is required for a variety of vital biological and cellular functions, including ATP hydrolysis. These include active transport, Purinergic signaling, synaptic signaling, intracellular signaling, DNA and RNA synthesis, and muscular contraction.

What do you understand by cell ?

The fundamental units of all living things are cells. There are many billions of cells in a human body. They provide the body structure, absorb nutrients from meals, turn those nutrients into energy, and perform certain tasks.

Adenosine triphosphate molecules directly provide the energy needed for cellular functions (ATP). One adenosine molecule and three phosphate groups, or Pi for short, make up ATP. The chemical energy that is stored in each ATP molecule is not very large. By dissolving ATP into adenosine diphosphate (ADP) and a phosphate group, this energy may be released.

The energy process include active transport, Purinergic signaling, synaptic signaling, intracellular signaling, DNA and RNA synthesis, and muscular contraction.

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When rotating a fischer projection, if you hold one substituent constant and rotate around the other 3 the stereochemistry will be:_________

Answers

When rotating a Fischer projection, if you hold one substituent constant and rotate around the other three, the stereochemistry will be inverted.

Fischer projection is a structural formula that helps in representing three-dimensional molecules on a planar surface. It is useful for visualizing enantiomers. The rotation of Fischer projection causes the inversion of the stereochemistry of the molecule that leads to the interchanging of the groups present on each side of the molecule.

This can be demonstrated with the following example: Let's say that we have a molecule with 4 substituents on a carbon atom. In Fischer projection, it would look like the following: Let's rotate the molecule 90 degrees to the left without interchanging the position of the substituents.

The result will be as follows: Now if we compare the two structures, we can see that the molecule is inverted. Therefore, if we hold one substituent constant and rotate around the other three, the stereochemistry will be inverted.

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Which of the following amino acid changes can result from a single base change? a) Methionine to arginine. b) Histidine to glutamic acid. c) Glycine to alanine. d) Proline to alanine. e) Tyrosine to valine.

Answers

The amino acid change that can result from a single base change is : Glycine to alanine. (Option c)

A single base change in the DNA sequence, also known as a point mutation, can result in an amino acid change in the corresponding protein sequence. Among the given options, the amino acid change that can result from a single base change is:

c) Glycine to alanine.

Glycine (Gly) and alanine (Ala) are both nonpolar amino acids, and they have similar properties. They differ in the presence of a methyl group in alanine, which is absent in glycine. A single base change in the DNA sequence can lead to a substitution of one nucleotide, ultimately resulting in a change in the corresponding mRNA codon during translation. Depending on the specific codon affected, a glycine residue can be replaced by an alanine residue due to this single base change.

The other options:

a) Methionine (Met) to arginine (Arg): This change involves a substitution of a nonpolar amino acid with a positively charged amino acid. This change would typically require multiple nucleotide changes since methionine and arginine have different properties and are encoded by different codons.

b) Histidine (His) to glutamic acid (Glu): This change involves a substitution of a positively charged amino acid with a negatively charged amino acid. This change would typically require multiple nucleotide changes since histidine and glutamic acid have different properties and are encoded by different codons.

d) Proline (Pro) to alanine (Ala): This change involves a substitution of a cyclic amino acid (proline) with a nonpolar amino acid (alanine). This change would typically require multiple nucleotide changes since proline and alanine have different properties and are encoded by different codons.

e) Tyrosine (Tyr) to valine (Val): This change involves a substitution of an aromatic amino acid (tyrosine) with a nonpolar amino acid (valine). This change would typically require multiple nucleotide changes since tyrosine and valine have different properties and are encoded by different codons.

So, the only option where a single base change can lead to an amino acid change is c) Glycine to alanine.

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Can someone help me with this one question please

Answers

The answer should be A

Define the process of germination.​

Answers

Answer:

Germination is usually the growth of a plant contained within a seed; it results in the formation of the seedling. It is also the process of reactivation of metabolic machinery of the seed resulting in the emergence of radicle and plumule.

or

Germination, the sprouting of a seed, spore, or other reproductive body, usually after a period of dormancy. The absorption of water, the passage of time, chilling, warming, oxygen availability, and light exposure may all operate in initiating the process.

or

Germination is the process by which an organism grows from a seed or similar structure. The most common example of germination is the sprouting of a seedling from a seed of an angiosperm or gymnosperm

Explanation:

brainliest pls

Dihybrid Punnett Square Homework 1 Susan and Tim both have red hair which is recessive to brown hair. Susan is heterozygous for dimples(dominant) and Tim has no dimples. Create a Punnett square that shows the genotypes of all the possible offspring that could result from Tim and Susan! Use R or r for hair color. Use D or d for dimples or no dimples. What is the genotypic percentage? What is the phenotypic percentage?​

Answers

Answer:

1222

Explanation:

121

The building blocks of DNA are

Answers

Answer:

nucleotides

Explanation:

made of three parts , phosphate group, sugar group and one of four nitrogen bases

Answer:

Chromosomes

Explanation:

The chromosomes from both parents from the DNA of the offspring

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The likelihood of an investment newsletter's successfully predicting the direction of the market for four consecutive years by chance should begreater than 70%.between 25% and 50%.between 10% and 25%.between 6% and 10%.between 0% and 5% Newtons Law of Gravitation states:x'' = - (gR^2)/(x^2)where g = gravitational constant, R = radius of the Earth, and x = vertical distance travelled. This equation is used to determine the velocity needed to escape the Earth.Using chain rule, find the equation for the velocity of the projectile, v with respect to height x.Given that at a certain height xmax, the velocity is v = 0; find an inequality for the escape velocity. At an earthquake measuring station the waves that arrive first come at a speed of 4 km/s and the waves that come second arrive at a speed of 1 km/s. If the time delay between the two waves is 4 seconds. How far is the earthquake's epicenter from the measuring station (round the answer to two decimal places)? Resource stewardship refers to:(A) Rationing care(B) The appropriate allocation of resources(C) Eliminating direct costs to patients(D) None of the above Describe as many of the factors as you can from this unit which led to World War II. Write your answer in a paragraph of 125 words. PLEAS DONT USE Describe as many of the factors as you can from this unit which led to World War II. Write your answer in a paragraph of 125 words.PLEASE DONT COMPY AND PASTE PLEASE USE YOUR OWN WORDS The degree of precision of a quadrature formula whose error term is 29 f'"" (E) is: 5 4 2 3. Find h=the solution to the system of equations given below and plot the equations to get the solutions. y=-x2-x+2 and y=2x+2 Suppose that the First United Bank of America has two loans. Each is due to be repaid one period hence and has independent and identically distributed cash flows. Each loan will repay $300 with a probability of 0.8 and $150 with a probability of 0.2. However, while the bank knows this, the investors cannot distinguish this loan from that of the Third TransAmerica Bank, which has the same number of loans, but will pay $300 with a probability of 0.5 and $150 with a probability of 0.5. There is a prior belief of 0.5 that the First United Bank of America has the higher-valued portfolio. Suppose that the First United wished to securitize these loans, and if it does so without a credit enhancement, the cost of communicating the true value is 7.5% of the true value. Assume that the discount rate is zero and that everybody is risk-neutral. Consider the following securitization scenario. The First United can create two classes of bondholders in a senior- subordinated structure or junior-senior structure. Class A bondholders will receive the first tranche and are entitled to $300 in aggregate. After they are paid off, class B bondholders are entitled to receive $300 or the residual cash flow, whichever is smaller. Suppose First United can find a credit enhancer. With credit enhancement, class B bondholders can be guaranteed to receive $300. The market for credit enhancement is competitive. Ignoring the possibility of default by the credit enhancer, how much will the First United have to pay the credit enhancer? A. $122 B. $68 C. $60D. $75 A hospital has four types of operating rooms, I, II, III, and IV, serving six departments, A, B, C, D, E, and F. Table 1 below summarizes the daily availability of the different types of operating rooms. Table 2 below summarizes the weekly demand for operating room hours. The limit on unmet demand is the most hours a department can be denied relative to its weekly demand. The goal of the hospital is to meet the weekly demand of all departments. Please formulate a goal programming model and use GAMS to determine the daily schedule for the utilization of operating rooms. Table 1. Operating Room Availability Available Hours Weekday Type I Type II Type III Type IV Monday Tuesday 08:00~ 15:30 08:00 17:00 08:00~ 15:30 08:00~16:00 08:00 15:30 08:0017:00 08:00~15:30 08:0016:00 08:00 15:30 08:0017:00 08:00 15:30 08:00~16:00 08:00 15:30 08:00~ 17:00 08:00~15:30 08:00~16:00 09:00~15:30 09:00~ 17:00 09:00 15:30 09:00 16:00 Thursday Friday Number of Rooms Table 2. Weekly Demand for Operating Rooms Department Weekly Demand (hours)Limit of Unmet Demand (hours) 10 10 10 10 10 189 39.4 19.9 26.3 5.4 what element of art does the painter malevich use to suggest a three-dimensional relationship between the squares? Provide a report-quality* cumulative relative frequency polygon data, along with a table that summarizes your grouped data. Find/show the 80th percentile on the plot and compar. Second order ODEs with constant coefficients Solve the following initial value problem: y" - 4y' + 4y = 2 e^2r - 12 cos 3x - 5 sin 3x, y(0) = -2, y' (0) = 4. Write all possible codons recognized by each of the given anticodons. An anticodon strand reads 5'-GCG-3'. Fill in the missing base sequences for the possible codons recognized by the anticodon. Codon: 5-1 -3" Codon: 5- An anticodon strand reads 5'-CGA-3'. Fill in the missing base sequences for the possible codons recognized by the anticodon. Codon: 5'- E -3" An anticodon strand reads 5-IAG-3'. Fill in the missing base sequences for the possible codons recognized by the anticodon. Codon: 5'- Codon: 5- Codon: 5- Use the Laplace transform table and the linearity of the Laplace transform to determine the following transform. Complete parts a and b below. L{4t e-8t 9t e COS 2t} Morning automation LTD issued 6%, can your bounce with a face value of $100 million at par on may 1, 2020. The bonds pay interests on October 31 and April 30 each year. The first payment was Made on October 31, 2020. Morning's year end is December 31.a. Determine the cast received on issuence and the yield for the 10-year bonds issued by morning automation.b. Prepare di jurnal entry for the issuance of the bond.c. Prepare di jurnal entries required at October 31, 2020 and the entry for the interest payment on April 30, 2021. CoffeeCarts has a cost of equity of 15.9%, has an effectivecost of debt of 3.5%, and is financed 74% with equity and26%with debt. What is this firm's WACC? The Campbell Soup Company in Camden, NJ, runs many different types of advertising campaigns to reach their target markets. They have found that "old school" paper mailings directly to homes work well, especially among mothers. They have also found that online social media advertising works well to reach some people too. As Campbell's gets ready to do an advertising campaign in Miami, Florida, they did a small test run and learned that for every one thousand (1,000) printed ads sent via paper mail, they can generate $29,000 in new revenue. Differing, this test run found that for every one thousand (1,000) online media ads, they generated $20,000 in new revenue. Note that one of these numbers are different and UPDATED. But advertising in a market the size of Miami is expensive! From their Advertising budget limited to $10,000, an online ad costs $2,000 and a mailed printed ad costs $2,500. From their Marketing budget limited to $20,000, an online ad costs $3,000 and a mailed printed ad costs $3,300. From their Corporate budget limited to $20,000, an online ad costs $2,000 and a mailed printed ad costs $1,000. Question: given this data - which is represented in the template file found on Canvas under Test 1 entitled "Ch3 test problem resource allocation.xlsx" - how many mailed printed ads should Campbell's run? The correct answer will be found using this template file, and seeing the results found in cell C11. Hint: you must populate cells B2 and C2, and then run Solver. Numeric Response a. Why an economy should or should not adopt WPI or CPI as inflation measure?b. Explain the actions the Central Bank can take to increase the money supply.c. Explain why the Central Bank cannot control the exact size of the money supply. Briefly explain the meanings of the following terms as they relate to this experiment. Include structural formulas if appropriate.1) aldohexose2) reducing sugar3) hemiacetal Graph the system of linear inequalities.y < x + 3y 2x 1Give two ordered pairs that are solutions and two that are not solutions.