Which of the following systems draws heat from the ceiling to specific areas in a green house?


forced air heat

convection tubes

radiant heat

fan ventilation

Answers

Answer 1

Convection tubes systems draws heat from the ceiling to specific areas in a green house.

What is a green house?

A greenhouse is a structure that grants individuals the ability to control climatic factors, including temperature and humidity. Various architectural styles of greenhouses exist, but typically, these structures incorporate expansive surfaces composed of translucent materials to harness the radiance and warmth of the sun.

Among the prevalent transparent materials employed in the roofs and walls of contemporary greenhouses, one finds sturdy plastics crafted from polycarbonate, pliable films manufactured from polyethylene, or even glass panels. When sunlight permeates the interior of a greenhouse, the internal temperature ascends, providing a protective haven for plants against inclement cold.

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Related Questions

5. Differentiate between:
a. Scientific study and general study

Answers

Scientific research is a investigating and acquiring or expanding our understanding whereas nonscientific research is acquiring knowledge and truths about the world using techniques that do not follow the scientific method.

Nature overcomes some natural disasters such as when a flooded mangrove forest or a Burnt forest are reborn study the photos on the right and give examples of how an old ecosystem might be destroyed and make way for a different ecosystem

Answers

One example of how an old ecosystem might be destroyed and make way for a different ecosystem is through a volcanic eruption. Volcanic eruptions can release large amounts of ash and lava that can bury or burn existing vegetation and wildlife. The ash can also alter the soil pH and nutrient levels, making it difficult for existing vegetation to survive. However, over time, new plant species can colonize the area, taking advantage of the newly available nutrients and space. These new plant species can then attract new wildlife, leading to the formation of a different ecosystem.

Another example is a wildfire. Wildfires can burn through forests and grasslands, destroying existing vegetation and wildlife. However, some plant species are adapted to survive wildfires, and their seeds may remain in the soil or be released after the fire. These plants can quickly grow back and start to rebuild the ecosystem. The burned areas can also become home to new plant species that thrive in the nutrient-rich soil that results from the fire.

A third example is a flood. Floods can inundate an area and destroy existing vegetation and wildlife. However, in areas like wetlands and mangrove forests, floods can also bring in new nutrients and sediment, creating new habitat for different plant and animal species. The flooded areas can also become breeding grounds for fish and other aquatic species, leading to the formation of a different ecosystem.

Which of the following best expresses the consequences of a failure at any stage of a hydroponic system?

they are limited mostly to problems of overwatering

they are limited mostly to one plant needing isolation from other plants

they can cause domino effects cascading through the entire system

they can easily be prevented and are of little consequence

Answers

One of the likely consequences of a failure at any stage of a hydroponic system is that it can cause domino effects cascading through the entire system. Option 3.

Consequences of failures in a hydroponic system

In a hydroponic system, each stage and component are interconnected and rely on one another for proper functioning. If there is a failure or issue at any stage of the system, it can disrupt the balance and functionality of the entire system.

For example, if there is a problem with nutrient delivery or imbalances in pH levels, it can affect the health and growth of plants throughout the system.

These issues can quickly spread and impact other plants, leading to a cascade of negative effects.

It is crucial to address and resolve any failures promptly to prevent further damage and maintain the overall health and productivity of the hydroponic system.

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Which of the following substances used in soil-free mixes has a high silica count, offers good drainage, little water-retention, little if any nutritional value, and is comparatively heavy?

vermiculite
peat
sand
perlite

Answers

The substance used in soil-free mixes that has a high silica count, offers good drainage, little water retention, little if any nutritional value, and is comparatively heavy is sand.

The correct option is C.

What is the silica content of sand?

Sand has a high silica content, which provides good drainage in soil-free mixes. It has little water-retention capacity, meaning it allows water to pass through quickly.

Sand generally has minimal nutritional value for plants. It is also relatively heavy compared to the other substances listed.

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Order the life cycle of very high-mass stars Nebula , protostar, red supergiant, supernova, average star and black hole ?

Answers

Supernova, high mass, nebula and protostar and red supergiant and then last black hole

What is the relationship between segments and septa?

Answers

Segments and septa are related anatomical structures found in various organisms, particularly in arthropods and annelids.

Segments: Segments are the division of the body into distinct repetitive units, often externally visible as repeated body parts. Examples include earthworms, millipedes, centipedes, and insects.

Septa: Septa are partitions or walls that separate individual segments or compartments within an organism's body, providing structural support and creating distinct compartments. They can be found internally or externally, dividing the body surface into discrete units.

Organisation, structure, and coordination are provided by segments and septa within the bodies of segmented organisms, enabling specialised functions within each segment while preserving the integrity of the entire body. Depending on the organism and the purpose they serve, septa may be membranous or more rigid in structure. Septa in segmented animals provide support and stop internal structures from moving or being displaced, preserving the integrity and functionality of each segment.

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recal what you know about the functions of the skeletal system to complete the following questions

Answers

The skeleton provides a framework for ⇒ muscle and soft tissue attachment.

Name one organ protected by the ribcage. ⇒ Heart, lungs, liver

Blood is formed in the:

red bone marrow.Calcium is released and deposited in the bones and blood to maintain homeostasis. calcium, phosphorus, minerals, fat is stored in the bones.

When muscles: ⇒ contract, the bones attached to them move.

What is the skeletal system

The bony structure of the skeleton serves as a foundation for providing support and attaching soft tissues. The heart is safeguarded by the ribcage.

The bone marrow is responsible for producing blood. In order to keep the body in balance, calcium is discharged and stored in both the bloodstream and bones. The bones serve as a storage site for calcium. The movement and locomotion of the body occurs as a result of bones connected to contracting muscles.

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See full text below

Recall what you know about the functions of the skeletal system to complete the following questions. The skeleton provides a framework for and soft tissue attachment. Name one organ protected by the ribcage. Blood is formed in the bone marrow. is released and deposited in the bones and blood to maintain homeostasis. is stored in the bones. When muscles , the bones attached to them move.

heeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeelp

Answers

Answer:

country B is more developed country

Describe the role of GA in a-amylase production and in germination. Provide evidence for your claim

Answers

Gibberellic acid (GA) plays a crucial role in a-amylase production and germination. GA stimulates the synthesis and release of a-amylase enzymes, which hydrolyze starch into sugars during germination. Experimental studies have demonstrated that the application of GA accelerates a-amylase production and enhances germination in various plant species

In terms of a-amylase production, GA stimulates the synthesis and release of this enzyme. a-amylase is responsible for breaking down starch into simpler sugars, which are then utilized by the plant for growth and development.

Studies have shown that applying GA to plant tissues or seeds results in an increased production of a-amylase, facilitating the conversion of stored starch into energy-rich sugars.

Regarding germination, GA is involved in breaking seed dormancy and promoting the growth of the embryonic plant.

It stimulates the production of hydrolytic enzymes like a-amylase, which enable the hydrolysis of starch reserves in the endosperm, providing the energy needed for germination and seedling establishment.

Additionally, GA helps in cell elongation and division, promoting the growth of the embryo and the emergence of the radicle.

Evidence for GA's role in both processes includes studies where the exogenous application of GA to seeds or plant tissues has been shown to enhance a-amylase production and promote germination.

Conversely, inhibiting GA synthesis or action results in reduced a-amylase activity and impaired germination. These findings support the critical involvement of GA in both a-amylase production and germination processes in plants.

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Which of the following is the largest sector in the field of floriculture?


potted plants

cut plants

annual bedding plants

foliage plants

Answers

Answer:

The largest sector in the field of floriculture is potted plants.

write the phenotype and genotype

Answers

Explanation:

The concepts of phenotype and genotype are related to genetics.

The phenotype is generally called the external appearance of the living thing, which is formed by the genetic information and environmental effects.

Genotype is the genetic information that an organism carries in its DNA.

For example; Character A is the favorite black color. a is the blue color character.

While the Aa display shows the individual with black eyes in the phenotype, the genotype is expressed as heterozygous dominant black eyes.

Part D Consider the results of each solution. Did any one solution work best? Could you combine or modify the solutions to develop a better method for removing the oil from the water?​

Answers

No one solution worked best for removing oil from water. It is possible to combine or modify the solutions in order to develop a better method for removing the oil from the water, such as using a combination of physical, chemical, and biological methods in order to remove more of the oil from the water. Additionally, the effectiveness of the chosen method will depend on the type of oil, the specific contaminants present, and the environmental conditions of the water.

If the half life of an element was 430 years and you had 2000 atoms of this element, how long would it take to undergo complete radioactive decay? What year would it be when the element finished decaying?

Answers

part a.

it would take an estimated 2984 years for the element to undergo complete radioactive decay.

How do we calculate?

N = N₀ * (1/2)[tex]^(^t ^/^ T^)[/tex]

N = final number of atoms remaining

N₀ =  initial number of atoms

T =  half-life of the element

0 = 2000 * (1/2)^(t / 430)

(1/2)^(t / 430) = 0

log₂((1/2)= log₂(0)

(t / 430) * log₂(1/2) = log₂(0)

0.01 = (1/2)^(t / 430)

log₂(0.01) = (t / 430) * log₂(1/2)

t = log₂(0.01) * 430 / log₂(1/2)

t = 2984 years

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Which of the following styles makes use of follies as a design element of the garden?

Japanese garden

French formal garden

English landscape garden

English cottage garden

Answers

The English landscape garden is the style that uses follies as a design element of the garden.  Option 3.

Follies and English landscape garden

Follies are architectural structures that serve primarily decorative purposes and are often whimsical or fantastical in nature.

They can take the form of ruins, temples, grottos, or other ornamental structures.

In English landscape gardens, follies are strategically placed within the landscape to create visual interest, focal points, or to evoke a sense of romanticism or nostalgia.

These gardens aim to mimic the natural landscape and often incorporate elements such as rolling hills, meandering paths, lakes, and woodlands. Follies are a key feature in this style, adding a touch of whimsy and intrigue to the overall design.

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The English landscape garden makes use of follies as a design element of the garden.

What are follies?

Follies, whimsical architectural embellishments, serve as captivating elements employed to infuse charm and diversity into a garden. Ranging from petite gazebos to imposing ruins, they bestow a touch of enchantment.

The English landscape garden, an artistic movement that blossomed during the 18th century, arose as a response to the rigid structure of the French formal garden. English landscape gardens, characterized by their inclination towards a more organic and relaxed aesthetic, frequently incorporate follies as captivating focal points, enriching the overall allure and diversity of the setting.

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there are different ___ of genes that code for all the differnt traits organisms can express

Answers

There are different alleles of genes that code for all the different traits organisms can express.

Even though there are 50,000 genes in every cell, only about 10% of them are expressed or switched on in any specific cell type.

Only a small fraction of a cell’s genes are transcribed at any given time. The variation in gene expression profiles among different cell types is due to the presence or absence of different sets of transcription regulatory factors. Some regulatory factors are designed to facilitate transcription, while others are designed to inhibit or inhibit transcription.

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Which statement best explains why this extrusion volcanic rock does not have visible crystals?

Answers

Answer:

C is the correct option.

Explanation:

5) The diagram below shows Earth in eight different positions in its orbit around the sun. Around each of Earth’s positions is a dashed circle representing the Moon’s orbit. (Criteria Aii)

• For each of Earth’s positions (1–8), try to draw the Moon in a position on the dashed circle where a lunar eclipse could happen.
• Then, check the boxes (below the diagram) for each position in which a lunar eclipse could happen.

Answers

Lunar eclipses occur when the Earth is in the middle between the moon and the sun. The nus lights up the earth, and this last one projects its shadow on the moon. You will find moon positions in the attached files.

What is a lunar eclipse?

A lunar eclipse is a spatial phenomenon that occurs during a full moon when the Earth places between the Sun and the Moon.

At this point, the Sun lights up the Earth, making a shadow on the Moon and giving this last one a reddish or orange appearance.

In the exposed image, we need to draw the moon on a straight line opposite to the sun, and on the other side of the Earth.

To do it, we need to imagine a straight line,

on one extreme of the line it is the sun,on the middle of the line it is the earth,on the other extreme it is the moon.

This is how the sun will light up the Earth, and the planet will project its shadow on the moon.

To see the moon positions, and for a better understanding, look at the attached files.

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Complete the following sentence.
The average failure rate of start-up greenhouse businesses is _____
percent, a figure in keeping with other start-up businesses in the United States.

Answers

The average failure rate of start-up greenhouse businesses is 60 percent, a figure in keeping with other start-up businesses in the United States.

What are greenhouse businesses?

A horticultural enterprise pertains to a business engaged in cultivating plants within a greenhouse. Greenhouses are edifices enveloped in glass or plastic, affording growers the ability to regulate the internal environment. This grants them the opportunity to cultivate plants throughout the year, irrespective of external weather conditions.

Greenhouse businesses have the capacity to offer a diverse range of plants, encompassing blossoms, vegetables, herbs, and arboreal specimens. Additionally, they can supply plant-related merchandise, including seeds, fertilizers, and pesticides.

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Helppppppppppppp
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Answers

Answer:

A triangleeeeeeeeeeeeeeeeeeeeeeeee

Name two different types of organic compounds or molecules in the fruit juice

Answers

Two different types of organic compounds or molecules commonly found in fruit juice are carbohydrates and organic acids.

Fruit juice typically contains various types of carbohydrates, including simple sugars such as fructose and glucose. These carbohydrates provide sweetness and energy.

Fruit juice contains organic acids that contribute to its flavor and acidity. Examples of organic acids commonly found in fruit juice include citric acid (found in citrus fruits), malic acid (found in apples), and tartaric acid (found in grapes). These organic acids give fruit juice its characteristic tangy taste.

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Assume you are looking for microorganisms in a tissue sample from a lung biopsy obtained from a patient sick with pneumonia. Microbes first become visible under the 40X high-dry lens, and can be seen in more detail under the 100X oil immersion lens. You determine that you are likely looking at bacterial cells.

Why is it unlikely that these are archaeal cells?
Why is not possible that these are viral particles?

Answers

Answer:

CRYSTAL SPRING COLLEGE will give you a great explanation located at Lekki - ibeju in eputu

question is the screenshot

Answers

The possibility that it would be red eyed would be 75%. Option D

What is the Punnet square?

A Punnett square is a genetics tool used to forecast the potential allele combinations in the progeny of a cross between two individuals. It bears the name Reginald Punnett after the British geneticist who created it.

Each box in the Punnett square represents a potential combination of alleles from the parents, and it typically consists of a square grid with boxes. The top of the grid lists the alleles of one parent, and the left side lists the alleles of the other parent.

By the use of the Punnet square that we have shown in the image attached, we can see that the possibility of the white eyes would be 75%.

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Explain why greenhouse systems are preferred for leafy greens, seedlings, and flowers but are less often used for other crops.??

Answers

Greenhouse vegetables include tomatoes, capsicum, cucumbers, eggplants, etc. Pest control is best done with healthy seedlings and proper maintenance in greenhouses.

A greenhouse is a building made of a transparent material that allows natural light to enter. The main elements of a greenhouse, such as the structure, cover/glazing, and temperature control system, need to be designed correctly for the growth of plants.

The greenhouse effect is the name given to a number of crops that thrive in a greenhouse environment. These include salad greens, peppers, cucumbers, spinach, and tomatoes.

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Select the soil-free ingredients that are fully non-organic in origin.


perlite

vermiculite

diatomite

sand

mineral wool

bark

peat

expanded clay

Answers

Answer:

perlite, vermiculite, diatomite, sand, mineral wool, and expanded clay are soil-free and fully non-organic in origin. Bark and peat are organic materials and are not fully non-organic.

Describe the role of various human activities that place stress upon the environment. Demonstrate an understanding of the interrelationship between humans and the physical environment. Identify several major environmental problems and assess how this affects our ability to live in a sustainable way

Answers

Human activities such as agriculture are impacting upon the natural ecosystems.

What role does human activities play?

Environmental issues can result from considerable environmental stress caused by human activity. Natural resource exploitation and consumption, pollutant production, habitat destruction, and ecosystem modification are all frequent components of these activities.

Intensive farming methods, such as cutting down trees to make way for farms and using chemical pesticides and fertilizers, can deteriorate soil quality, cause deforestation, and cause runoff to pollute water. Ecosystems are disturbed, biodiversity is decreased, and deforestation causes climate change by releasing carbon dioxide that was previously held in trees.

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Human activities, such as deforestation, contamination, overfishing, and nursery gas outflows, disturb the environment, jeopardizing supportability by undermining biodiversity and biological system wellbeing.

Role of various human activities that place stress upon the environment

Human activities play a critical part in setting stress upon the environment, disturbing the fragile interrelationship between people and the physical environment.

Activities such as deforestation, mechanical contamination, overfishing, and nursery gas emanations contribute to major natural issues.

Deforestation leads to territory misfortune and expanded carbon dioxide levels, whereas mechanical contamination sullies discuss, water, and soil.

Overfishing disturbs marine environments and depletes angle populaces, and nursery gas emanations contribute to climate alteration.

These natural issues, in case, cleared out unaddressed, debilitate our capacity to live reasonably, jeopardizing biodiversity, clean discuss and water, and in general environmental well-being.

Accomplishing supportability requires adjusting human needs with natural preservation and advancing dependable asset administration.

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Complete the following sentence.
A grower who wishes to enhance plant growth by adjusting the carbon dioxide levels in the greenhouse will use a(n) _____ gas analyzer to evaluate CO2 levels.

Answers

A grower who wishes to enhance plant growth by adjusting the carbon dioxide levels in the greenhouse can use a carbon dioxide (CO2) gas analyzer to evaluate CO2 levels.

The amount of carbon dioxide, methane, and nitrous oxide in the atmosphere of Earth may be measured using a glasshouse gas analyzer.

Studies of the air quality in the field, leak identification, and natural gas monitoring may all be done using a glasshouse gas analyzer that analyses CH4, CO2, and H2O.

TIGER OPTICS, A. With extreme precision and accuracy, the T-I Max AIR CO2 glasshouse gas analyzer can test CO2 levels in the air.

Nova Analytical Systems provides CO2 analyzers that detect carbon dioxide levels in parts-per-million (ppm) or as a percentage using infrared technology.

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Which of the following terms refers to a system in which plants are grown in tanks of non-circulating water, demanding regular evaluation of nutrient levels and health of tanks?

medium culture
static solution
solution culture
Hoagland solution

Answers

The system in which plants are grown in tanks of non-circulating water, demanding regular evaluation of nutrient levels and health of tanks is known as static solution culture.

What is static solution culture?

Static solution culture, referred to as passive hydroponics or reservoir hydroponics, denotes a technique for cultivating plants devoid of soil. Within this approach, plants are upheld in a nutrient-abundant solution that perpetually permeates their roots.

Unlike active hydroponic systems that employ pumps to circulate the nutrient solution, static solution culture relies upon the innate capillary action and adeptness of the growing medium to furnish the plants with essential nutrients.

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what would happen if the hydrogen ion pumps in the tigers mitochondiar stopped functioning

Answers

If the hydrogen ion pumps in the tiger's mitochondria stopped functioning, it would have severe consequences on the process of oxidative phosphorylation and the overall production of ATP (adenosine triphosphate), which is the energy currency of cells.

The hydrogen ion pumps, also known as the electron transport chain complexes, play a crucial role in oxidative phosphorylation. They are responsible for creating a proton gradient across the inner mitochondrial membrane by pumping hydrogen ions (protons) from the mitochondrial matrix to the intermembrane space. This proton gradient is essential for the functioning of ATP synthase, an enzyme that synthesizes ATP.

Without functioning hydrogen ion pumps, the proton gradient would not be established. As a result, ATP synthase would not be able to generate ATP efficiently. This would lead to a significant reduction in ATP production, which is essential for various cellular processes, including muscle contraction, biosynthesis of molecules, active transport, and maintenance of cellular homeostasis.

The lack of ATP production would cause a rapid depletion of cellular energy reserves. Cells would struggle to carry out their normal functions, and the tiger would experience a loss of energy and overall decline in physical performance. Vital processes such as muscle movement, digestion, and even basic metabolic functions would be compromised.

Additionally, the accumulation of hydrogen ions within the mitochondrial matrix would disrupt the pH balance, affecting the efficiency of other metabolic pathways and potentially leading to cellular damage or dysfunction.

In summary, the dysfunction of hydrogen ion pumps in the tiger's mitochondria would severely impair ATP production, resulting in a decline in energy levels and overall cellular function. It would have significant implications for the tiger's survival and well-being.

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Select the features commonly present in a formal French garden.

topiaries

rock gardens

parterres

massed perennials

follies

bosquets

statues

torii

fountains

allees

Answers

Answer:

parteeres

Explanation:

rectangular reflecting pools or circular beds that play a geometrical counterpoint to the gardens right angled parteeres

I need the answers this makes no sense ngl

Answers

Answer:

For A - answer is organism 2

For B- answer is glucose(C6H12O6) and oxygen(O2)

For C- Chloroplast

Other Questions
he Addendum to Listing Agreement (subagency) replaces the wording in section .. (a) 7 DISPUTE RESOLUTION (b) 5 AGENCY RELATIONSHIPS (C) 6 PROFESSIONAL ADVICE (d) 3 PROTECTION PERIOD In a designated agency, represent(s) the client (s).(a) the entire brokerage (b) only the brokers in the brokerage (c) the named agent(s)(d) only the agents in the brokerage form. To avoid limited (or dual) agency, an agent can use the (a) Addendum to Disclose(b) Unrepresented Buyer Disclosure (c) Exclusive Right to Sell Listing Agreement (d) Addendum to Listing Agreement A sample of 15 people participate in a study which compares the effectiveness of two drugs for reducing the level of the LDL (low density lipoprotein) blood cholesterol. After using the first drug for two weeks, the decrease in their cholesterol level is recorded as the G measurement. After a pause of two months, the same individuals are administered another drug for two weeks, and the new decrease in their cholesterol level is recorded as the H measurement. The Table below gives the measurements in mg/dl. G 13.1 12.3 10.0 17.7 19.4 10.1 H 12.0 7.3 11.7 12.5 18.6 12.3 11.5 12.0 9.5 12.1 18.0 7.5 15.2 16.1 10.7 9.8 15.3 6.4 6.9 14.5 8.6 8.5 16.4 7.8 2 S 0 Given f(x,y) = xy-3xy. Evaluate 14y-27y3 6 O-6y+8y/3 O 6x-45x 4 2x-12x fdy The length of a standard shaft in a system must not exceed 142 cm. The firm periodically checks shafts received from vendors. Suppose that a vendor claims that no more than 2 percent of its shafts exceed 142 cm in length. If 28 of this vendor's shafts are randomly selected, Find the probability that [5] 1. none of the randomly selected shaft's length exceeds 142 cm. 2. at least one of the randomly selected shafts lengths exceeds 142 cm 3. at most 3 of the selected shafts length exceeds 142 cm 4. at least two of the selected shafts length exceeds 142 cm 5. Suppose that 3 of the 28 randomly selected shafts are found to exceed 142 cm. Using your result from part 4, do you believe the claim that no more than 2 percent of shafts exceed 142 cm in length? Determine the point of intersection of the lines r(t) = (4 +1,-- 8 + 91.7) and (u) = (8 + 4u. Bu, 8 + U) Answer 2 Points Keyboard St a) Write the negation for these propositions: i. The sun is shining but it is raining today. You are not allowed to enter the code. If I go to shop then I will buy a soft drink. ii. iii. (3 marks) b) The symbols p, q, r and s define the following propositions. p: It is Covid-19 endemic. q: You will be infected. r: You will stay quarantine at home. s: You will take suitable medicine. Represent each of the statements below using the defined symbols and logical connectives. i. If you will take suitable medicine or it is Covid-19 endemic, then you will not stay quarantine at home. (2 marks) ii. Either it is Covid-19 endemic, you will take suitable medicine, or you will not be infected. (2 marks) increasing data capacity (i.e., throughput) on an 802.3 lan using utp can be done by:____ Question 18 1 points Save An Which of the following statement is correct about the brands and bound algorithm derived in the lectures to solve the max cliquer problem The algorithm is better than bruteforce enumeration because its complexity is subexponential o White the algorithm is not better than tre force enameration tas both have exponential comploty, it can more often as in general do not require the explide construction of all the feasible solutions to the problem The algorithms morient than the force enumeration under no circumstances will construct the set of fantiles A change in which of the following variables will have no directeffect on the level of domestic demand?Select one:a. Taxes.b. Domestic income.c. Government spending.d. Foreign income.e. The rea some problems have may have answer blanks that require you to enter an intervals. intervals can be written using interval notation: (2,3) is the numbers x with 2 The parametric equations of a line are given as x=-10-2s, y=8+s, se R. This line crosses the x-axis at the point with coordinates 4(a,0) and crosses the y-axis at the point with coordinates B(0.b). If O represents the origin, determine the area of the triangle AOB. Find a function of the form y = A sin(kx) + Cor y = A cos(kx) + C whose graph matches the function shown below: + -6 3 2 -2 J Leave your answer in exact form; if necessary, type pi for . 4 + A particle moves along a line so that at time t its position is s(t) = 8 sin (2t). What is the particle's maximum velocity? A) -8 B) -2 C) 2 D) 8 you are running at prothrombin time (pt) and activated partial thromboplastin time (aptt) for pre-op testing that came from an outpatient clinic. you get an alarm from your analyzer indicating that there is no endpoint clotting time. the patient has no history of bleeding problems and is on no medication that would cause excessive long coagulation times. the specimen was in a 3.2% sodium citrate tube that was received into the lab 20 minutes after it was collected and spun immediately upon arrival. what may be the cause for the failure to clot? List and describe the problems with Zambian soils and how youwould treat these various problems. Prices have fallen every year. The base year for calculating the CPI was 2020. What could be the CPI in 2014? O a. 100 4 O b. 50 O c. All of these could be true O d. None of these could be true O e. 1 iscuss different two Omnichannel strategies that areused by Oman retailer during COVID19? The answer should highlightadvantages and limitations of each strategy and how to overcomethese challenges? find an equation for the plane that contains the line =(1,1,2) (3,2,4) and is perpendicular to the plane 2 3 4=0 5. (Representing Subspaces As Solutions Sets of Homogeneous Linear Systems; the problem requires familiarity with the full text of the material entitled "Subspaces: Sums and Intersections on the course page). Let 3 2 3 2 and d -2d )--0--0- 0 5 19 -16 1 1 let L Span(..). and let L = Span(d,da,da). (i) Form the matrix T C=& G whose rows are the transposed column vectors . (a) Take the matrix C to reduced row echelon form; (b) Use (a) to find a basis for L1 and the dimension dim(L) of L; (c) Use (b) to find a homogeneous linear system S whose solution set is equal to Li (i) Likewise, form the matrix D=d whose rows are the transposed column vectors d, and perform the steps (a,b,c) described in the previous part for the matrix D and the subspace L2. As before, let S2 denote a homogeneous linear system whose solution set is equal to L2. (iii) (a) Find the general solution of the combined linear system S U Sai (b) use (a) to find a basis for the intersection L L and the dimension of the intersection L L: (c) use (b) to find the dimension of the sum L + L of L1 and L. (20 points) Find the orthogonal projection of onto the subspace W of R spanned by projw (7) = 0 -11 198