Answer:
football players face serious risks
Explanation:
edge
Answer:
b
Explanation:
edge 2021
Which statements describe the electron sea model? Check all that apply. Electrons all have approximately the same energy. Electrons move among orbitals of different energies. Electrons move freely among atoms (delocalized).
The electron sea model shows that electrons move freely among atoms (delocalized).
Metals are made up of atoms which has an array of positive ions in a sea of electrons.
The electrons can move freely within metal by detaching itself from its parent atom. Hence the electrons are said to be delocalized.
The electron sea model shows electrons on the surface of a metal being able to move freely from one atom to another.
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A. Electrons all have approximately the same energy.
C. Electrons move freely among atoms (delocalized).
The next answer is
B. Electrons move among orbitals of different energies.
C. Electrons move freely among atoms (delocalized).
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a responsible citizen could best participate in serving their community by
Answer:
Driving a neighbor to their polling place on election day.
Explanation:
Depicts a responsible citizen serving their community is driving a neighbor to their polling place on election day.
Community help is:
Helping those immediately around you
Helping your immediate society e.g. your neighborhood and town
Because community help refers to helping those immediately around you, driving a neighbor to their polling station is the best example of serving the community because they are in your community.
Had the question asked the best way to help your nation, then the answer would be paying your federal income taxes on time.
Therefore, the best way listed above to help your community is by driving your neighbor to a polling place on election day.
a responsible citizen could best participate in serving their community by driving a neighbor to their polling place on election day.
What is responsible citizen?A responsible citizen upholds all national laws and regulations. They have the right to exercise all essential liberties and obligations, including those to vote, pay taxes, and defend the nation from corruption.
helping those who are beside you
assisting your local community, such as your town and neighborhood
Driving a neighbor to their voting location is the impressive example of serving the society because they are in your community, and assisting individuals nearby is what is meant by "community help," which refers to helping those nearby.
By driving a neighbor to their polling place on election day can be best participate in serving community.
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What is the polynomial 3y2 (y 7)2 – 15 after it has been fully simplified and written in standard form? 4y2 34 3y2 y 34 4y2 14y 34 4y4 34
Answer:
What is the polynomial 3y2 + (y + 7)2 – 15 after it has been fully simplified and written in standard form?
A) 4y2 + 34
B) 3y2 + y + 34
C) 4y2 + 14y + 34 <<<CORRECT
D) 4y4 + 34
Explanation:
Dec. 2021 Edge Cumulative exam
The polynomial [tex]3y^2 (y 7)^ 2 - 15[/tex] after it has been fully simplified and written in standard form as [tex]4y^4 + 34[/tex].
A polynomial is an expression in mathematics that consists of variables (also known as indeterminates) and coefficients.
It involves only the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables. x2 4x + 7 is an example of a polynomial with a single indeterminate x.
A polynomial is a mathematical expression made up of indeterminates and coefficients that only involves the operations of addition, subtraction, multiplication, and positive-integer powers of variables.
To fully simplify and write the polynomial [tex]3y^2(y-7)^2 - 15[/tex] in standard form, we first need to expand the squared binomial:
[tex](y-7)^2 = (y-7)(y-7) = y^2 - 14y + 49[/tex]
Now we can substitute this expression back into the original polynomial and simplify:
[tex]3y^2(y-7)^2 - 15 = 3y^2(y^2 - 14y + 49) - 15\\= 3y^2y^2 - 42y^3 + 147y^2 - 15\\= 3y^4 - 42y^3 + 147y^2 - 15[/tex]
So the fully simplified polynomial, written in standard form, is:
[tex]3y^4 - 42y^3 + 147y^2 - 15[/tex]
Therefore, the correct answer is [tex]4y^4 + 34.[/tex]
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what would the time be in delhi if the time in prime meridian is 10:00a.m
Answer:
Prime Meridian(Standard) =00:00am
India(Delhi)=+05:30am
Therefore the req time is 10:00+5:30
=3:30pm
A community pool that is shaped like a regular pentagon needs a new cover for the winter months. The radius of the pool is 20.10 ft. The pool is 23.62 ft on each side. To the nearest square foot, what is the area of the pool that needs to be covered? 192 ft2 960 ft2 1,921 ft2 3,842 ft2
Answer:
B. 960 ft^2
Explanation:
edge says trust me
Based on the calculations, the area of this pentagonal pool that needs to be covered is equal to: B. 960 ft².
Given the following data:
Radius of pool = 20.10 ft.
Side length of pool = 23.62 ft.
How to calculate the area of the pool?Mathematically, the area of a regular pentagon can be calculated by using this formula:
A = ¹/₄√(5(5 + 2√5)a²)
Where:
a is side length.
Substituting the parameters into the formula, we have:
A = ¹/₄√(5(5 + 2√5)23.62²)
A = ¹/₄√(5(5 + 2√5)557.9044)
A = 959.86 ≈ 960 ft².
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a 15.0 kg block is attached to a very light horizontal spring of force constant 575 n/m and is resting on a smooth horizontal table (figure 1). suddenly it is struck by a 3.00 kg stone traveling horizontally at 8.00 m/s to the right, whereupon the stone rebounds at 2.00 m/s horizontally to the left.
The instantaneous velocity of the 15 kg. mass just after collision can be found by the principle of linear momentum.
a) The speed of the 15 kg. just after collision is 2 m/s.
b) The type of collision is inelastic collision
c) The compression of the spring is approximately 0.323 m.
Reasons:
The given parameters are;
Mass of the block attached to the spring, m₁ = 15.0 kg
Force constant of the spring, K = 575 N/m
Mass of the stone that strikes the block, m₂ = 3.00 kg
Speed of the stone, v₂ = 8.00 m/s
Speed with which the stone rebounds, v₃ = 2.00 m/s
a) The total initial momentum = 3 kg. × 8 m/s = 24 kg·m/s
The final momentum, just after collision = 3 × (-2) kg·m/s + 15 kg ×v₁
By conservation of momentum, we have;
24 kg·m/s = 3 × (-2) kg·m/s + 15 kg ×v₁
[tex]v_1 = \dfrac{24 \, kg \cdot m/s + 6 \, kg \cdot m/s}{15 \, kg} = 2 \, m/s[/tex]
The speed of the 15 kg. just after collision, v₁ = 2 m/s.
b) A collision is elastic when the kinetic energy of the collision is conserved
The initial kinetic energy, K.E.₁ = 0.5 × 3 kg. ×(8 m/s)² = 96 J
The sum of the final kinetic energy are;
0.5 × 3 kg. × (2 m/s)² + 0.5 × 15 kg × (2 m/s)² = 36 J
The initial kinetic energy ≠ The final kinetic energy
Therefore, the collision is not elastic
(c) The kinetic energy given by the block = The elastic potential energy gained by the spring
Kinetic energy of the block, K.E. = 0.5 × 15 kg × (2 m/s)² = 30 J
Elastic energy gained by the block = 0.5 × K × x² = 0.5 × 575 N/m × x²
Therefore;
0.5 × 575 N/m × x² = 30 J
[tex]x^2 = \dfrac{30 \, J}{0.5 \times 575 \, N/m} = \dfrac{12}{115} \, m^2[/tex]
[tex]x = 2 \cdot \sqrt{\dfrac{3}{115} } \approx 0.323[/tex]
The compression of the spring, x ≈ 0.323 m.
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Questions;
(a) The speed of the 15 kg mass immediately after the collision.
(b) Determine the type of collision; Elastic or inelastic collision.
(c) The distance to which the spring is compressed by the block.
Which of the following is the best definition of deposition in geology?(1 point) the creation of volcanic rock when liquid magma hits the ocean and cools the creation of volcanic rock when liquid magma hits the ocean and cools the creation of any metamorphic rock the creation of any metamorphic rock laying down of sediment in layers carried by wind, water or ice laying down of sediment in layers carried by wind, water or ice the mixing of many layers of sediment by wind, water or ice
Laying down of sediment in layers carried by wind, water or ice is the best definition of deposition in geology. Thus option C is correct.
What is geology?The main branch of Earth science, geology, studies how the earth was created, as well as its makeup and the processes that impact it. Natural humanity's field of geology is interested with Earth and other celestial objects, the structures or rocks that make them up, and also the mechanisms that cause these shifts over time.
A deposition is the act of depositing sediment that has been carried by the air, water, seas, or ice. Granules, sand, clay, and salts that have been dissolved in the water can all be used to convey sediment.
Salts could later be accumulated through evaporation or organic action. Traditionally, sedimentary rocks are found in strata known as strata. Younger layers sit on top of older levels in unbroken strata. Therefore, option C is the correct option.
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The question is incomplete, the complete question will be :
Which of the following is the best definition of deposition in geology?(1 point)
A:the creation of volcanic rock when liquid magma hits the ocean and cools
B:the mixing of many layers of sediment by wind, water or ice
C:laying down of sediment in layers carried by wind, water or ice
D:the creation of any metamorphic rock
what is the distance between the points (8, 3) and (8, −6)?
Answer:
There is 9 distances between the points (8, 3) and (8, −6)
Explanation:
Use the distance formula to determine the distance between two points.
To calculate the distance between two points, we can use a formula that is a variation Pythagorean Theorem. Look:
[tex]d=\sqrt{(x^{2} - x^{1} )^{2} + (y^{2} - y^1) ^{2}[/tex]
"d" represents the distance and coordinates are expressed as follows: (x, y)
Let's go to the calculations.
[tex]d=\sqrt{(x^{2} - x^{1} )^{2} + (y^{2} - y^1) ^{2}[/tex]
[tex]d =\sqrt{(8-8)^{2}+(-6-3)^{2} }[/tex]
[tex]d =\sqrt{(0)^{2} +(-9)^{2} }[/tex]
[tex]d = \sqrt{0+81}[/tex]
[tex]d=\sqrt{81}[/tex]
[tex]d=9[/tex]
The answer is 9
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Triangle A B C is shown. The length of side A B is 3 n minus 2. The length of side B C is 2 n. The length of side A C is n 3. Triangle ABC is shown in the diagram. The lengths of the sides are in terms of the variable n, where n ≥ 4. Complete the inequality. m∠ < m∠ < m∠
Answer:
b,a,c
Explanation:
Answer:
m∠ B < m∠ A < m∠ C
If an element sample has two or more atoms with the same number of protons but different number of neutrons it is called a(n) _____________. Question 1 options: isotope neutron electron none of the above
If an element sample has two or more atoms with the same number of protons but different number of neutrons it is called an: A. Isotope.
Isotopes can be defined as two or more forms of a chemical element that are having the same (equal) atomic number (numbers of protons) and electrons but different numbers of neutrons or mass number.
The isotope of an element is denoted by [tex]C^Z_A[/tex]
Where;
C is the symbol of the chemical element.A is the atomic mass or mass number (number of nucleons).Z is the atomic number or number of protons.In conclusion, the isotopes of a chemical element have the same chemical properties as a result of an equal atomic number (numbers of protons) but different physical properties because of an equal atomic weight (mass number).
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People with power commit deviant acts to obtain economic rewards. Please select the best answer from the choices provided T F
Answer:
T
Explanation:
Answer:
False
Explanation:
True or false: The bus driver is acting like a tourist. True False
Answer:
True
Explanation:
Edge 2022
the calves and shoulder blades are on the __________ body surface.
Answer:
posterior
Explanation:
a person driving a car suddenly applies the brakes
Answer:
that means they are trying to come to a stop
Based on the excerpt above, what was most likely true about this time in the nation’s history? Whaling was the most profitable industry for African Americans. Ships were the primary means of transporting goods for African Americans. African Americans were performing the same duties as others without the same rights. More industries were created by African Americans during this period than any other time in our nation’s history.
The option that's true about this time in the nation’s history is C. African Americans were performing the same duties as others without the same rights.
The excerpt was gotten from Frederick Douglas's speech. From the excerpt, he stated the contributions of African Americans to the United States. They worked in factories, hospitals, etc.
Despite their contributions, they were denied some rights that the whites had. He stated that African Americans were discriminated against even though they performed the same work just like everyone else.
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Answer:
C
Explanation:
African Americans were performing the same duties as others without the same rights.
a ball is thrown straight downward with a speed of 0.80 meters per second. what is the speed of the ball 0.60 seconds after it is released? [ignore air resistance.]
The speed of the ball 0.60 seconds after it is released is 6.8 m/s.
Newton's law of motion is given by:
v = u + gt
where v is the final velocity, u is the initial velocity, g is the acceleration due to gravity and t is the time.
Given that:
u = 0.8 m/s, g = 10 m/s², t = 0.6s. Hence:
v = 0.8 + 10(0.6)
v = 6.8 m/s
Therefore the speed of the ball 0.60 seconds after it is released is 6.8 m/s.
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which expression is equivalent to 3x−12y+223y−56x 3 x - 1 2 y + 2 2 3 y - 5 6 x ?
Answer:
(Hope this helps can I pls have brainlist (crown)☺️)
Explanation:
Equivalent to 3x−12y+223y−56x 3 x - 1 2 y + 2 2 3 y - 5 6 x is:
-168 x^2 - 27 x + 221 y (-168 x - 27) x + 221 y 221 y - 3 x (56 x + 9)A person suffering from anorexia nervosa typically suffers from which of the following health issues? A. low blood pressure B. thin/weak bones C. damage to internal organs D. all of the above Please select the best answer from the choices provided. A B C D
Answer:
The answer is d. all of the above.
Explanation:
The individual suffering from anorexia mainly focus to maintain their body weight and shape. This might damage their internal organs as the individual do not eat proper amount of food. The bones become weak and thin as sufficient amount of energy is not possible in the body. The individual might suffers from the hypotension due to low levels of the ions in the body.
A person suffering from anorexia nervosa typically suffers from all the above options explained. Thus the correct option is D.
What is anorexia nervosa?Anorexia is an eating disorder characterized by unusually low body weight, persistent anxiety about gaining weight, and an incorrect perception of the weight of an individual.
A key priority for anorexics is maintaining their size and physical appearance, which drives them to make hard work and determination that can seriously disrupt their lives.
As a result of their extremely underweight and unhealthful physique, anorexics frequently lack their natural glow, making them appear dull and faded. It also appears as damage to internal organs due to a lack of nutrients.
Therefore, option D is appropriate.
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America encouraged Panama to declare independence from so that the canal could be built.
Answer:
Colombia
Explanation:
Panama issued a declaration of independence from Colombia with the help of the U.S. government,
America encouraged Panama to get independence from Colombia that so the canal could be built.
How America encouraged Panama to declare independence?Panama declares independence from Colombia, with the help of the US administration. The revolt was orchestrated by a Panamanian party sponsored by the Panama Canal Company, a French-American joint venture.
Americans recognized they needed this to move ships from east to west rapidly, so they formed a business that aimed to connect the Atlantic and Pacific seas with a waterway over the Isthmus of Panama.
They would wield power if they achieved this because they would control the waters. The Canal was a geopolitical strategy designed to make the United States the most powerful country on the planet.
Therefore America encourage Panama to declare independence so a canal was built.
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which of the following could not be used to determine reaction stoichiometry?
Reaction stoichiometry is the type of reaction where there is a total eradication of the quantities that are used in the reaction.
This is used to measure the type of reaction such as corrosion and the likes.
As a result of this, the best way to determine reaction stoichiometry is:
Make sure that the equation is balancedMake the necessary conversion to the SI units to molesMake the necessary calculationsConvert the moles to the required SI unitsPlease note that your question is incomplete, hence i gave you a general overview which should help you get the correct answer.
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A diagram of chloroplast stroma and thylakoid lumen showing chemical energy, ferredoxin, ferredoxin-N A D p reductase, A D P synthase, and oxygen-evolving complex. Photosynthesis converts light energy to chemical energy. Which molecules are the end product of this transformation of energy in this reaction? ADP and NADPH ADP and NADP ATP and NADPH ATP and NADP
Answer: c
ATP and NADPH
Explanation:
Chloroplast stromal and thylakoid lumen showing chemical energy, ferredoxin ATP, and NADPH. Thus, option (C) is correct.
What is chemical energy?Chemical energy is the energy of chemical substances that are released when they experience a chemical reaction and transubstantiate into other substances. Some examples of storage media for chemical energy include batteries, food, and gasoline.
Stromal, in botany, refers to the colorless fluid surrounding the gran within the chloroplast. Within the stoma are gran, the sub-organelles or daughter cells, Chloroplast stromal and thylakoid lumen showing chemical energy, ferredoxin ATP, and NADPH. A diagram of chloroplast stromal and thylakoid lumen showing chemical energy vigor, ferredoxin, ferredoxin-N A D p reductase, A D P synthase,
Therefore, Thus option (C) is correct
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Which words describe Ophelia in the excerpt? Select 3 options. muddled controlling illogical deceitful melancholy
Words can simply describe the state of a person at any moment. The words that clearly describe Ophelia in the excerpt is muddled , illogical and melancholy
A person who is muddled is referred to as an individual who is is confused or in a state of confusion.To be illogical is simply known as not listening to other people's reasoning.
Melancholy when someone is far off more than sad or being gloomy.
Conclusively, Ophelia was described with the above terms because that was her state at that very moment in the excerpt.
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See the excerpt below
Ophelia: Larded with 'sweet flower; Which bewept to the grave did go With true-love showers. Claudius: How do you, pretty lady? Ophelia: Well, God 'ild you! They say the owl was a baker's daughter. Lord! we know what we are, but know not what we may be. God be at your table! Which words describe Ophelia in the excerpt? Check all that apply. A-muddled B-controlling C-illogical D-deceitful E-melancholy
Answer:
1, 3, 5
Explanation:
On Edgen
A ________ is a membrane-bound sac found in cells that contains digestive enzymes which break down complex molecules or structures. Question 13 options: Chloroplasts Mitochondrion Lysosomes Vacuole
Answer:Lysosomes
Explanation:
membrane-enclosed organelles that contain an array of enzymes capable of breaking down all types of biological polymers—proteins, nucleic acids, carbohydrates, and lipids.
according to maslow, employment is an example of which type of need?
Employment can be considered as example of safety and security, which are types of human needs according to Maslow.
Maslow theory is about human Physiological needs. Physiological needs can be regarded as biological requirements that are very Essential for human survival.These could be food, drink, shelter as well as clothing.However, there are higher needs that needed to be met for human survive in term of safety and security, and employment is part of it.Employment as a needs helps man to cater for other needs such as shelter, foods, as easy living.Therefore, Maslow let us know that man Physiological needs are very essential for his security.
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The center of gravity does not contribute to individual stability.
Answer:
The answer is false because the center of gravity contributes greatly to the individual stability of a person or thing. The center of gravity is the center of mass of an object and therefore by raising or lowering that point, of gravity, you can cause an object or person to lose stability very quickly.
Explanation:
Answer:
False
Explanation:
it is false because it just is
What is a geyser?
A
a moon with many craters
B
the eighth planet from the sun
C
a hurricane with 1,200 mph winds
D
a hole from which liquid or gas escapes
Answer:
a hole from which liquid or gas escape
In basketball, hang time is the time that both of your feet are off the ground during a jump. The equation for hang time is t = 2 (StartFraction 2 h Over 32 EndFraction) Superscript one-half , where t is the time in seconds, and h is the height of the jump, in feet. Player 1 had a hang time of 0.9 s. Player 2 had a hang time of 0.8 s. To the nearest inch, how much higher did Player 1 jump than Player 2? in.
Answer:
8in
Explanation:
edge 2020
The amount of height that player 1 jumped higher than player 2 to the nearest inch is; 8 inches
How to substitute values into an equationWe are given the hang time equation as;
t = 2(2h/32)^(½)
Where;
h is height of jump
Hang time of player 1 = 0.9 s
Hang time of player 2 = 0.8 s
Let's make h the subject of the hang time equation to get;
h = 2t²
For player 1;
h1 = 2(0.9)²
h1 = 3.24 ft
Converting to inches gives;
h1 = 38.88 inches
For player 2;
h2 = 2(0.8)²
h2 = 2.55 ft
Converting to inches gives
h2 = 30.72 inches
Difference in jump height = h1 - h2
Difference in jump height = 38.88 - 30.72
Difference in jump height ≈ 8 inches
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chocolate candy melting in your hand will eventually melt as the heat
Answer:
transfers through conduction from your hand to the candy
Explanation:
how did the balance of power between spain and the united states
Answer:
Spanish influence in the Western Hemisphere declined.
U.S. influence in the Eastern Hemisphere increased.
Explanation:
What are the three fundamental principals of mnemonics?
The three fundamental principles underlying the use of mnemonics are imagination, association, and location.
What is mnemonics?
Mnemonics are memory-enhancing techniques. They are frequently taught in schools to aid in learning and memory.
Chunking or grouping information is a mnemonic technique that simplifies information into groupings, phrases, words, or figures that are simpler to remember.
Chunking is used to arrange things like credit cards, phone numbers, and Social Security numbers. Interesting studies have been done on persons with moderate Alzheimer's disease using a variety of mnemonic techniques, including chunking.
According to the findings of these investigations, chunking can benefit in the early stages of dementia by enhancing verbal working memory.
Therefore, The three fundamental principles underlying the use of mnemonics are imagination, association, and location.
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