Multiply: (x – 4)(x + 5)​.

Answers

Answer 1

Answer:

(x – 4)(x + 5)

= x(x + 5) -4(x + 5)

= x2 + 5x – 4x – 20

= x2 + x - 20
Answer 2

Answer:

x^2+x-20

Explanation:


Related Questions

Describe exponential population growth.

Answers

Answer:

a population's per capita (per individual) growth rate stays the same regardless of population size, making the population grow faster and faster as it gets larger.

Which of these could be a main idea?

Answers

I need more details

Answer:

this question is unnecessary to ask because you haven't provided enough information

Explanation:

Does the pharynx of human respiratory system have cartilage and epithelium?

Answers

Answer:

There is no cartilage but there is epithelium

Explanation:

The pharynx of the human respiratory system does not contain cartilage.

The pharynx,  part of the human respiratory system, is a muscular tube that connects the nasal cavity and mouth to the larynx and esophagus. It serves as a passage for  air and food. The gorge is made up of several regions, each with its own distinctive features.

The nasopharynx, the top part of the throat, contains no cartilage. Instead, it is lined with pseudostratified ciliated  epithelium.This special epithelium helps to trap and transport mucus along with any particles or pathogens in the digestive system for elimination.

These regions also lack cartilage but  are lined with  stratified squamous epithelium. This type of epithelium provides protection from mechanical stress and potential abrasion caused by the passage of food and other substances down the pharynx.

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8. Which of the following determines the identity of an atom?
a. isotope
b. atomic mass
c. atomic number
d. charge

Answers

Answer:

C. Atomic Number

Explanation:

Atomic number, also known as proton number, never changes. Therefore it allows us to identify each atom.

Atomic mass determines the identity of the atom

I really don’t know the answer to this.

I really dont know the answer to this.

Answers

Answer: receive interpret, respond to stimuli

Explanation: sensory nerves receive stimuli, the brain interprets them and motor nerves respond

are humans subject to environmental resistance in the same sense that other organisms are?

Answers

Answer:

the sum of the environmental factors (such as drought, mineral deficiencies, and competition) that tend to restrict the biotic potential of an organism or kind of organism and impose a limit on numerical increase.


You and your friends are planning a hiking / camping trip to Denali National Park,
Alaska. Below is a topographic map that shows the mountain range in the park. The
wind usually blows in the direction the arrows are pointing. If you want to stay as dry
as possible (no precipitation), which site would be the better choice to set up camp?

You and your friends are planning a hiking / camping trip to Denali National Park,Alaska. Below is a

Answers

Answer: Site B

Explanation: I took the test。

Explain Phenomenon
You observe many
mushrooms growing in a circle. How many
organisms are you likely seeing? Explain.

Answers

The phenomenon of observing many mushrooms growing in a circle is known as a fairy ring or elf circle.

The number of mushrooms growing in the elf circle depends on the species of the mushroom.

What is an elf circle?

Fairy rings, often referred to as elf rings or pixie rings, are circles composed of mushrooms that appear in nature.

Some mushrooms are small, while others can reach a diameter of 600 meters as they emerge from the earth in a circular pattern. One of the most wonderful places in the woods are fairy rings.

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Give two
reasons why cells divide.

Answers

Answer:

Cells divide so living things can grow. When organisms grow, it isn't because cells are getting larger. Organisms grow because cells are dividing to produce more and more cells.

Explanation:

Growth. Replacing damage or dead cells.

Describe how weak bonds can hold large macromolecules together.
Give specific examples of these bonds helping macromolecule form a secondary or tertiary structure.

Answers

Answer:Weak bonds, such as hydrogen bonds, van der Waals interactions, and hydrophobic interactions, can hold large macromolecules together by providing a small amount of attraction between different parts of the molecule. These bonds allow for the formation of secondary and tertiary structures in proteins and nucleic acids.

For example, in proteins, hydrogen bonds between the peptide bonds of the amino acids can form the alpha helix and beta sheet secondary structures. These structures provide stability and allow for specific functions such as enzyme activity and antibody recognition.

In nucleic acids, hydrogen bonds between the base pairs of DNA and RNA can form double helix and secondary structures such as stem-loop structures. These structures play important roles in DNA replication and gene expression.

Additionally, hydrophobic interactions between nonpolar amino acids in a protein can cause them to come together, thereby excluding water molecules and forming a hydrophobic core, which is important in the formation of tertiary structure in proteins.

Darwin's next insight was to compare process in nature to artificial selection. By doing so, he developed a scientific hypothesis to explain how evolution occurs. This is where Darwin made his ______ contribution and his strongest break with the past.

Answers

Is it first?

Explanation:

Darwin first major break through was finding natural selection by using the pea pod method and noticing how some were yellow and some were green with different textures.

15. What are the factors that are critical for gas diffusion into the al
a. What are the 4 factors?
b. Please explain at least one disease state that occurs because one of the 4
factors critical for gas diffusion are changed.
i. How would a patient with this disease handle walking up the stairs?
ii. Which chemoreceptor would take over ventilatory control for this
patient?
16. Why is nitrogen only found in the blood during deep sea diving?

Answers

The following four elements are essential for gas diffusion into the alveoli:

Alveolar-capillary membrane thickness,Available surface area for gas exchange: Gases' partial pressure gradient: Gases' solubility

How would a patient with this disease handle walking up the stairs?

Pulmonary fibrosis is an illustration of a disease state that might develop when one of these important components is altered. Scarring causes the alveolar-capillary membrane to thicken in this disease, which affects gas exchange. Hence, individuals with pulmonary fibrosis may have breathing problems and shortness of breath, especially after exercise like climbing stairs.

In order to maintain ventilation, the chemoreceptors in the carotid and aortic bodies would be in charge of the patient.

As a result of  the high pressure of the compressed air used in scuba diving, nitrogen is only found in the blood during deep sea diving. The nitrogen in the compressed air dissolves into the bloodstream when a person dives deep underwater because of the increased pressure.

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What is an infection?
A. when the DNA of the body's cells is
damaged
B. when the DNA of prokaryotes in the body is
damaged
C. when the body's cells grow in an uncontrolled fashion
D. when harmful foreign microorganisms are
present and multiply in the body

Answers

Answer:

D

Explanation:

An infection is when something invades your body, therefore, you are infected with micro-organisms making it D.

Answer: D ( when harmful foreign microorganisms are  present and multiply in the body)

Explanation:   An infection is when harmful foreign microorganisms are

present and multiply in the body

Which statements describe advantages of medical sensors with cellular internet connections? Select the two correct answers. ​

Answers

The statements that describe advantages of medical sensors with cellular internet connections are :

A. Real-time MonitoringC. Increased Privacy and Security

What are the advantages of medical sensors with cellular internet connections  ?

Medical sensors with cellular internet connections allow for real-time monitoring of vital signs and health parameters, facilitating timely interventions and proactive care management.

Medical sensors with cellular internet connections offer enhanced privacy and security measures to protect patient data, ensuring confidentiality and compliance with data protection regulations. Medical sensors with cellular internet connections can be used to collect data from a variety of sources, which can help to improve research and development in the healthcare industry.

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Options include:

A: Real-time Monitoring

B: Cost Efficiency

C: Increased Privacy and Security

D: Longer Battery Life

E: Compatibility with Legacy Systems

Watson and crick deserve credit for DNA because

Answers

Answer: Crick and Watson were the ones who discovered the double helix shape of DNA.

Describe the mangroves ecosystem and its role in sustaining the ecosystem in the food web or food chain​

Answers

Mangroves are coastal ecosystems that provide habitats, food, and protection for various species, supporting the food web.

The mangrove ecosystem is a unique and highly productive coastal habitat characterized by mangrove trees, which are specially adapted to survive in saline environments. Mangroves are typically found in tropical and subtropical regions along sheltered coastlines, estuaries, and intertidal zones.

Mangroves are vital in sustaining the ecosystem by providing various ecological services. One of their significant contributions is their role in the food web or food chain.

They serve as a critical nursery and feeding ground for a diverse range of marine species. The intricate network of roots, known as prop roots, provides habitat, protection, and feeding opportunities for numerous organisms, such as fish, crustaceans, mollusks, and birds.

The mangrove leaves and detritus that fall into the water serve as a source of organic matter and nutrients, fueling the base of the food web. Decomposers and detritivores break down the organic matter, which is then consumed by various organisms.

Small organisms, like zooplankton and small fish, feed on the decomposers and detritivores, becoming prey for larger predators such as fish, birds, and reptiles.

Furthermore, mangroves act as a buffer against coastal erosion and storm surges, protecting shorelines and adjacent habitats. They also contribute to water filtration, nutrient cycling, and carbon sequestration, and provide a habitat for numerous endangered and migratory species.

In summary, the mangrove ecosystem plays a crucial role in sustaining the food web or food chain by providing habitat, nursery areas, and food sources for a diverse array of organisms. Their presence supports the productivity and biodiversity of coastal ecosystems, making them an essential component of coastal environments worldwide.

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1. Identify the method of climate study that can tell how much rain an area had over the last 200 years.
microscopic organism data
sediment core data
O
tree ring data
ice core data

Answers

Answer:

It soubds like all the above except microbiological organisms.

Answer:  The correct answer is Tree Ring Data (Option C)

Explanation:

A tree-ring record can be used to produce information about rainfall, temperature, the presence of groundwater, and fires around where the tree is growing.

what are the effects of anaemia

Answers

Answer:

dizziness, weakness , shortness of breath

A pharmaceutical company has developed a new weight loss drug for adults. Preliminary tests show that the drug seems to be fairly effective in about 75% of test subjects. The drug company thinks that the drug might be most effective in overweight individuals, but they are unsure to whom they should market the product.

Use the scientific method to address the pharmaceutical company’s needs:

State a research question that addresses the pharmaceutical company's problem in Panel 2.

Conduct online research on “Body Mass Index” categories and record a brief summary of the findings in Panel 2.

Construct a testable hypothesis and record in Panel 2.

Design an experiment to test the hypothesis and describe the procedures, variables, and data to be collected in Panel 2.

Answers

The research hypothesis that addresses the pharmaceutical company's problem in Panel 2 is:

Does the effectiveness of the drug in overweight women Does the interest and the intention to buy from different market segments affecting the  drug.

The research question that can be addressed using the scientific method.

Evaluating the effectiveness of the drug in overweight women when compared to Those of non-overweight women.Evaluating the interest as well as the intention to buy from different kinds of market segments.
What will the experiment be?

To be able to carry out the experiment, we can carry out an experiment via the use of a 2 x 2 factorial design.

Note that by the use of this design, the study will need to possess four independent groups which are:

The overweight placebo group.The overweight treatment group.The normal weight placebo group.The normal weight treatment group.

There will be the use of Intra- and also an inter-group comparative statistical analysis and this be carried out to know if or not the treatment is said to be  effective and why or not its effectiveness is affected by the status of the participants' weight.

To handle the second objective, we can carry out a comparative study and then we collect data regarding the extent to which people from different kinds of market segments has the intentions to purchase the product.

A Two-way ANOVA and also the use of  post-hoc analysis will be used to know the portion that has the greatest level of intention to buy.

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A bacterium called Salmonella can cause
food poisoning.which kingdom is it in?​

Answers

Answer:

monera kingdom

Explanation:

Answer:

The kingdom is Monera Kingdom

Explanation:

In a population of wolves, the birth rate is 4, the
death rate is 3, immigration is 2, and emigration is
3. Calculate the population growth by filling in the
formula below.
C+D-C+D=E
Since the
population
growth is
the
population is

In a population of wolves, the birth rate is 4, thedeath rate is 3, immigration is 2, and emigration

Answers

The population growth rate will be 0 based on the facts supplied.

How is population growth calculated?

The population growth rate will be 0 based on the facts supplied.

The rise in the number of organisms in a population is referred to as population growth.

Based on the facts supplied, population growth will be computed.

The birth rate is four.

The death rate is three.

Immigration = 2

Emigration equals three.

Population increase will now look like this:

= Birth rate + immigration - death rate

= (4 + 2) - 3 - 3

= 0

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2.2.1 2.2.2 State TWO possible advantages of using bananas as a vaccine against diseases. Give TWO reasons why people might be against the use of genetically modified bananas. ​

Answers

Advantages of using bananas as a vaccine against diseases: Oral Delivery, Cost-Effective Production.

Reasons why people might be against the use of genetically modified bananas: Safety Concerns, Moral Considerations.

1. Oral Delivery: Bananas can be consumed orally, making them an ideal vehicle for delivering vaccines. This eliminates the need for injections, which can be uncomfortable and require medical professionals to administer.

2. Cost-Effective Production: Bananas are relatively inexpensive to produce and are widely available in many parts of the world.

This makes them a cost-effective option for vaccine production and distribution, particularly in resource-limited settings.

Reasons against the use of genetically modified bananas as vaccines:

1. Safety Concerns: Some individuals may have concerns about the safety of genetically modified organisms (GMOs), including genetically modified bananas.

There may be uncertainties about the long-term effects of consuming GMOs, and fears of potential risks to human health and the environment.

2. Ethical and Moral Considerations: Opposition to genetically modified bananas may stem from ethical and moral concerns regarding the alteration of natural organisms.

Some people may view genetic modification as interfering with nature or raising questions about the boundaries of manipulating living organisms.

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Place the items in order from lowest to highest degree of internal organization.
organ system
tissue
cell
organ





Answers

Answer:

The biological levels of organization of living things arranged from the simplest to most complex are:

organs

tissues,

cells,

Help me and ill give you brainliest :)

Explain the three states of water and how it changes state. Use terms melt, boil, sublimation, evaporation, deposition.
-this is science-

Answers

water can exist in three states; liquid, solid and gases.

Explanation:

At temperature below zero degree Celsius, water exists as a solid but as it absorbs temperature from Its surroundings, it undergoes melting and turns into liquid water. More application of heat makes it boil leading to the evaporation and vapourisation of water molecules( note: evaporation occurs at all temperature).

Answer:

give them brainlist

Explanation:

kiss the ground documentry questions

Answers

?? What are the questions, where is the documentary.

Identify one misconception about the theory of evolution.

Answers

Using natural selection, evolution is the process by which a species' characteristics change over several generations. The three constraints of Darwin's hypothesis concern the beginning of DNA, the unchangeable intricacy of the cell, and the lack of momentary species.

When a species splits into multiple new forms as a result of a shift in the environment that opens up new resources or introduces new environmental obstacles. Darwin's finches on the Galapagos Islands have created different molded snouts to exploit the various types of food accessible on various islands.

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what is most likely to happen when water loses heat

Answers

Answer:

it will turn to ice

Explanation:

the potential energy in the molecules is reduced and they start to move alot slower, eventually they stick together and form ice

What is the name of the project that had the goal of sequencing all of the bases that make up human DNA?


(A) The Human Genetic Collaboration


(B) The Human Genome Project


(C) The Word Human Study Project


(D) The Genetic Study of Humans

Answers

Answer: (B) the human genome project

Explanation: took the test

Correctly label all 3 parts of this diagram.

Correctly label all 3 parts of this diagram.

Answers

1 can be labeled as an amino acid, 2 as the ribosome, and 3 as the anticodon.

Protein synthesis

The image depicts the process or translation of genetic codes, otherwise known as protein synthesis.

During translation, mRNA, a structure that contains the genetic codes to be translated, binds to the ribosome. Then, another RNA, the tRNA which carries the anticodons for the genetic codes also binds. The tRNA also carries the amino acids specific for each genetic code.

The translation machinery then reads the genetic codes one after the other. each time the anticodon on the tRNA matches the genetic codes, the amino acid is released. Successive amino acids are linked by peptide bonds. Thereafter, the growing chain of amino acid exit the translation bubble.  

Thus, the labels for 1, 2, and 3 in the image would be as follows:

1 - the ribosome2 - tRNA3 - an amino acid

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What’s the correct answer answer asap for brainlist

Whats the correct answer answer asap for brainlist

Answers

B water droplets
Reason- clouds are made from vaporized water
B would be your answer
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