What are all the elements of a perfect graph?

Answers

Answer 1

Answer:

It states that a graph is perfect if the sizes of the largest clique, and the largest independent set, when multiplied together, equal or exceed the number of vertices of the graph, and the same is true for any induced subgraph


Related Questions

What happens when an object absorbs all the light striking it?

It appears blue.

It appears red.

It appears black.

It appears white.

Answers

Answer:

it appears black

Explanation:

that's my best guess

The answer would be black

Who is this and why is she in my album??? lol help

Answers

A tiny little girl named Jessica

Adding oil to a car's engine reduces _____, which means less _____ is created by moving parts rubbing together.
A. friction; heat energy
B. heat energy; friction
C. friction; kinetic energy
D. heat energy; potential energy

Answers

Answer:

A.) friction, heat energy

Explanation:

Adding oil to something makes it slick, which in turn reduces friction, and When you reduce friction, you also reduce heat energy.

Answer:

The Answer is A: friction; heat energy

Please have a look at the image

Answers

Answer:

a

Explanation:

a. zero is the answer...

An ohmmeter is a common device for measuring resistance. Using an ohmmeter, you find that a certain material has a very high resistance. This material is most likely what?
conductor
insulator
semiconductor
superconductor

Answers

Answer:

An insulator

Explanation:

Insulators have a very high resistance because the electrons of the insulator are bounded strongly with the nucleus. Hence it requires more voltage to move an electron from the valence band to the conduction band.

9) Who was right about the atom, Bohr or Schrodinger?

Answers

Answer: Schrodinger

Explanation: because Schrodinger used mathematical equations to describe the likelihood of finding an electron in a certain position. This atomic model is known as the quantum mechanical model of the atom.

Schrodinger because Bohr's model was not completely correct, but it has many features that are approximately correct and it is sufficient for much of our discussion.

An ant starts at −5 m and moves 10 m left, 25 m right, 30 m left, and 5 m right. If the positive x-axis is to the right, what are the final position and total displacement of the ant?

A. position: −15 m; displacement: 70 m
B. position: 5 m; displacement: 10 m
C. position: 5 m; displacement: −70 m
D. position: −15 m; displacement: −10 m

Answers

Answer: D.

position: −15 m; displacement: −10 m

Explanation:

Displacement is the distance travelled in a specific direction.

Given that an ant starts at −5 m and moves 10 m left, 25 m right, 30 m left, and 5 m right

Total displacement = -10 + 25 - 30 + 5

Total displacement = -10

And the position = -10 -5 = -15

The correct answer is therefore D.

position: −15 m; displacement: −10 m

3. If you increase the distance between
two objects, the gravitational force
between the two objects
A)increases
B)decreases

Answers

Answer:

B

Explanation:

What does the term “retroperitoneal” mean in the terms of the location of the kidneys ?

Answers

Answer:

"Retroperitoneal" refers to the back of the peritoneum, the membrane that lines the anatomical space in the abdominal cavity. Kidney stones may cause pain to the organs within the retroperitoneal space. A diagram of the aorta, a retroperitoneal structure.

Explanation:

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Answers

There’s force of friction/ drag that slows down a moving object, there’s also gravity pulling the wagon down which would help slow it down. Hope this helps good luck.

HEELLLPPPPP !
Match the property with the correct type of metal.
Soft
(Alkali Metals)
(Alkaline Earth Metals)
Extremely reactive
1 valence electron
2 valence electrons
Harder, more dense

Answers

Answer: Alkali metals

Soft, Extremely reactive, 1 valence electron

Alkaline earth metals

Harder, more dense, 2 valence electrons

Answer:Alkali metals

Soft, Extremely reactive, 1 valence electron

Alkaline earth metals

Harder, more dense, 2 valence electrons

Explanation:

THE PERSON ABOVE ME IS CORRECT IM JUST PUTTING THIS HERE SO YOU KNOW I GOT 100% BECAUSE OF THAT PERSON THANK YOU

A steady increase in global temperature has been recorded between 1900 and today. Before concluding that this rise in temperature is the result of the increased burning of fossil fuels since that sametime, which of the following questions would have to be answered? *
A. What is the CO2 content in one metric ton of fossil fuels?

B. Which gases are released when burning fossil fuels?

C. What, if any, temperature rise was occurring prior to 1900?

D. None of these

Answers

Hey there!

The answer would be D. None of these

None of these questions can help support the reason that the temperature increase is based off of the burning fossil fuels.

Hope this helps!

Answer:

C is correct

Explanation:

50W of power is generated using 100J of work to move a box onto a shelf. How long did it take to move the box from the floor to the shelf?

Answers

Answer: time t = 2 seconds

Explanation:

Given that

Power P = 50W

Energy E = 100J

How long did it take to move the box from the floor to the shelf ? This implies time taken.

Power is defined as the rate at which work is done. I.e

P = W.D/t

Where work done = energy

50 = 100/t

Make t the subject of formula

t = 100/50

t = 2 second

In a nuclear reaction, which of the following must be conserved?
A. the number of neutrons
B. the count of nucleons
C. charge
D. the number of electrons

Answers

Answer:

c

Explanation:

Answer:

c

Explanation:

How does planting high yield crop varieties make farming more sustainable

Answers

Answer:

The more high yield crops are planted, the more production there will be from plants.

Explanation:

High-yield plants are plants that are genetically modified or modified artificially in a way that makes farming plants more efficient. More crops grow, therefore more money.

The answer is, the more high-yield plants there are, the more efficiency there will be from farming.

Answer:

Its D

Explanation:

my options were these

A. It increases the amount of water needed

B. It keeps soil fertility from diminishing over time

C. It keeps chemicals form entering the watershed

D. It decreases the amount of land needed

Please answer quickly I would greatly appreciate it

Answers

Answer:

1. outer planets

2. Gas giants

3. helium

4.Galileo Galilei

5. Saturn

6. Pluto

7. Pluto

When tectonic plates are strained to the point that they can no longer bend, which of the following is most likely to occur?

A. Earthquake
B. Volcanic Eruption
C. Convection Current
D. Ocean Basin Formation

Answers

The answer to your question is A

When tectonic plates are strained to the point that they can no longer bend, (A) earthquake most likely to occur.

What is earthquake?

An earthquake is the sudden release of energy from the earth's crust that causes the earth's surface to shake. Seismic waves, also called S waves, are consequently produced. The type and severity of an earthquake are based on the local seismic activity.

What is Volcanic Eruption?

A volcanic eruption occurs when elements of the Earth, such as hot lava, rocks, and dust, erupt from a volcano in the form of an explosion. The upper portion of the volcano or one of the side branches may explode. If massive volumes of rock and volcanic ash begin to erupt, it might be dangerous. Occasionally, numerous lives are lost in these explosions.

When tectonic plates are strained to the point that they can no longer bend, in such scenario, earthquake is most likely to occur.

Learn more about earthquake here:

https://brainly.com/question/1296104

#SPJ2

why is it dangerous to connect a battery to itself. what is the term used to describe that

Answers

In the circuit outside of the battery the electrons have to expend all of their energy on the internal resistance of the battery which causes heating

Define force in your own words.

Answers

Answer:

an influence that is able to change the motion of a body or create motion or stress in a stationary body. The magnitude of an influence is often calculated by multiplying the mass of the body by its acceleration.

Answer:

The push or pull on an object acted by another object

This graph provides data on the amount of water needed to grow four different crops, each used to produce ethanol, a fuel. For each crop, the data shows how many liters of water are needed to produce one liter of ethanol fuel. Which of the following would require using the most water? *



Producing 100 L of ethanol from sugar cane
Producing 200 L of ethanol from sugar beet
Producing 300 L of ethanol from potatoes
Producing 400 L of ethanol from corn

Answers

Answer:

Producing 300 L of ethanol from potatoes

Explanation:

From the diagram, one liter of ethanol production from sugar cane requires 2000 liters of water. Hence, in order to produce 100 L of ethanol from sugar cane, 2000 x 100 = 200,000 L of water.

1000 liters of water is needed to produce 1 liter of ethanol from sugar beet. Hence, 200 x 1000 = 200,000 L of water will be needed to produce 200 liters of ethanol.

1000 liters of water is also required to produce 1 liter of ethanol from potatoes, hence, 300 x 1000 = 300,000 L of water would be required to produce 300 L of ethanol from the same material

About 500 liters of water is required to produce 1 liter of ethanol from corn, hence, 400 x 500 = 200,000 L of water would be needed to produce 400 L of ethanol from corn.

In conclusion, producing 300 L of ethanol from potatoes would require using the most water among all the options.

Why are cells important?

Answers

Answer:

Cells are the basic structures of all living organisms. Cells provide structure for the body, take in nutrients from food and carry out important functions. ... These organelles carry out tasks such as making proteins?, processing chemicals and generating energy for the cell.

Explanation:

Answer:

Cells make up all the parts of your body, and we need different ones to make different parts, like bones, blood, and skin. Without them, humans, along with plants and animals, would not exist.

Explanation:


Which best describes a concave lens?

It is thinnest at its center and thickest at its outer edges.

It is curved outward at the center and thinnest at its outer edges.

It is curved inward in the center and thickest at its outer edge.

Answers

Answer:

Explanation:

Concave lens also called as diverging lens i.e. it diverges ray of light coming towards it.

Concave lens is thicker at the edges and thinner at the center.

Concave lens formed the virtual image of the object i.e. it cannot be trace on screen. This lens is used to treat the nearsightedness or myopia in which a person is unable to see the far object clearly.

Answer:

It is thinnest at its center and thickest at its outer edges.

Explanation:

graddy


In a nuclear fusion reaction, the mass of the products is _____ the mass of the reactants.

Answers

Answer:

more than

Explanation:

In a nuclear fusion reaction, the mass of the products is more than the mass of the reactants.

A negative test charge experiences a force to the right as a result of an electric field. Which is the best conclusion to draw
based on this description?
The electric field points to the left because the force on a negative charge is opposite to the direction of the field,
The electric field points to the right because the force on a negative charge is in the same direction as the field,
No conclusion can be drawn because the sign of the charge creating the field is unknown,
No conclusion can be drawn because the amount of charge on the test charge is unknown.

Answers

Answer:a

Explanation:

Answer: ( A )

Explanation: the answer is a

Balance the following chemical reactions: question attached hellpp

Answers

1 Ti + 2 Cl2 —> 1 TiCl4

What do snow melting, water freezing to ice, and water boiling into steam have in
common? *
O
They involve a change in state.
They involve a change in temperature.
O
They involve a change in thermal energy.
All of the above are true.​

Answers

Answer:

All of the above.

Explanation:

All of the above is the answer!

Question attached i need answers quick

Answers

1 P4 + 3 O2 —> 1 P4O6

Which of the following describes how the current in a circuit can be increased? Select all that apply.
A.
increase the voltage and the resistance
B.
increase the voltage while keeping the resistance constant
C.
decrease the voltage and the resistance
D.
decrease the resistance while keeping the voltage constant

Answers

Answer:

B. and D. would be my best guess.

Explanation:

The reason why is because if you lower the resistance, the voltage will be higher, and if you higher the voltage, the resistance would be lower and the voltage would higher.

The echo of your footsteps returns in 0.50 second. How long is the corridor in which you are walking? (Assume the speed of sound for 0°C.)

Answers

Answer: The corridor is 82.825 meters long

Explanation:

Hi, to answer this question we have to apply the next formula:

d = (t×c)/2  

Where:

Speed of sound c = 331.3 m/s at 0°C  

t = time = 0.5 s.  

d = distance

Replacing with the values given:

d = (Δt×c)/2 = 0.5×331.3/2 = 82.825 m  

The corridor is 82.825 meters long

Feel free to ask for more if needed or if you did not understand something.

Each antibody can recognize how many types of invaders of the body? A. 1 B. 10 C. 100 D. 1,000

Answers

Answer: D. 1,000

Explanation:

The antibodies are special proteins which can detect the foreign antigens in the body of the host and fight against these antigens. This way the antibodies prevent the infection in the body.

There are five different classes of antibodies in the human body these are IgA, IgG, IgM, IgE and IgD. Each antibody can recognize more than 1,000 antigens of foreign pathogens.

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