In physics, there are two types of quantities
Scalar quantityVector quantityScalar quantities are quantities that have magnitude but no direction. Examples of such quantities include speed, pressure, etc
Vector quantities are quantities that have both magnitude and direction. Examples of such quantities include velocity, acceleration etc.
Vector quantities are represented by an arrow over the position of the object to denote its direction.
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Which of the following statements about writing introductions and conclusions is true.
Answer:
✓ Always write the introduction first and the conclusion last is a statem…
Explanation:
Which of the following statements is not true about owners' equity?.
Muriel told shana that one of the products in the table was incorrect. Which value in the table is incorrect? what is the value shana should have written?.
The product of expressions or numbers is calculated by multiplying the expressions or numbers.
The incorrect value in the table is [tex]-2y[/tex]The value that should have been written is [tex]-2xy[/tex]From the table (see attachment), the incorrect product is given as:
[tex]-y \times 2x = -2y[/tex]
The above product is incorrect.
This is so because when -y is multiplied by 2x, the result is [tex]-2xy[/tex]
So, the correct expression is:
[tex]-y \times 2x = -2xy[/tex]
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Answer:
Shana used a table to multiply the polynomials 2x + y and 5x – y + 3. Her work is shown below.
A 3-column table with 2 rows. The first column is labeled 5 x with entries 10 x squared, 5 x y. The second column is labeled negative y with entries negative 2 y, negative y squared. The third column is labeled 3 with entries 6 x, 3 y. The first row is labeled 2 x and the second row is labeled y.
Muriel told Shana that one of the products in the table was incorrect.
Which value in the table is incorrect?
✔ –2y
What is the value Shana should have written?
✔ –2xy
Explanation:
Choose the word that logically completes the second sentence.
which of the following best explains why humans sweat when they feel hot?
Answer:
sweating helps keep your internal temperature at a comfortable 98.6 degrees Fahrenheit. “Sweating helps release heat, which helps maintain optimal body temperature,” says Pamela Webert
A presidential veto is an example of which of the following?.
Answer:
a veto is when the president denies a new law. you could look this up and this is the definition: The power of the President to refuse to approve a bill or joint resolution and thus prevent its enactment into law is the veto. ... This veto can be overridden only by a two-thirds vote in both the Senate and the House. If this occurs, the bill becomes law over the President's objections.
Explanation:
hope this helps
He said he (be) sorry he (gave) me so much trouble.
When prospero and miranda were first exiled, who helped them and how?.
It is very important to help people when they are in need. The person who helped Prospero and Miranda was Gonzalo.
Gonzalo is known to be a very old and honest lord in the passage. He helped Prospero and Miranda to escape only when Antonio has usurped Prospero's title.
In The Tempest, Gonzalo greatly helped Prospero and Miranda. This is because they were banished from Italy. He was known to have given them with food, water, magic books, etc. so that they can survive at sea.
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Reed is drawing an accurate representation of the human body, head to toe, in the center of his paper. What type of balance, if any, is he creating?.
Answer:
formal
Explanation:
because the art is propotional so being formal or if not formale balance with equal
An accurate representation of the human body, head to toe, in the center of his paper is a formal type of balance.
What is human body?The physical component of the human organism, the human body is made up of extracellular and live cells and is divided into many tissues, organs, and systems. Numerous articles cover the human anatomy and physiology.
See human blood; cardiovascular system; digestive system; endocrine system; renal system; skin; human muscle system; neurological system; reproductive system; respiration; sensory reception; and skeletal system for in-depth explanations of certain tissues, organs, and systems.
See aging, growth, prenatal development, and human development for an explanation of how the body grows from infancy to old age. The human brain is also by far the most advanced in the animal kingdom, with the neocortex in particular.
Even though many other mammals, like chimpanzees and dolphins, are intelligent, none have attained the intellectual level of the human species.
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Newton’s law of cooling states that for a cooling substance with initial temperature t0, the temperature t(t) after t minutes can be modeled by the equation t(t)=ts+(t0−ts)e−kt, where ts is the surrounding temperature and k is the substance’s cooling rate. A liquid substance is heated to 80°c. Upon being removed from the heat, it cools to 60°c in 15 min. What is the substance’s cooling rate when the surrounding air temperature is 50°c? round the answer to four decimal places. 0. 0687 0. 0732 0. 0813 0. 872.
The cooling rate of the substance is approximately 0.0732.
According to the statement, the Newton's law of cooling is defined by the following formula:
[tex]T(t) = T_{s} + (T_{o}-T_{s})\cdot e^{-k\cdot t}[/tex] (1)
Where:
[tex]T_{s}[/tex] - Final temperature, in degrees Celsius.[tex]T_{o}[/tex] - Initial temperature, in degrees Celsius.[tex]t[/tex] - Time, in minutes.[tex]k[/tex] - Cooling rate, in [tex]\frac{1}{min}[/tex].[tex]T(t)[/tex] - Current temperature, in degrees Celsius.Please notice that substance reaches thermal equilibrium when [tex]T(t) = T_{s}[/tex], that is when temperature of the substance is equal to the temperature of surrounding air.
If we know that [tex]T_{o} = 80\,^{\circ}C[/tex], [tex]t = 15\,min[/tex], [tex]T_{s} = 50\,^{\circ}C[/tex] and [tex]T(15) = 60\,^{\circ}C[/tex], then the cooling rate of the substance is:
[tex]60 = 50 + (80 - 50)\cdot e^{-15\cdot k}[/tex]
[tex]\frac{60-50}{80-50}= e^{-15\cdot k}[/tex]
[tex]\frac{1}{3} = e^{-15\cdot k}[/tex]
[tex]k = -\frac{1}{15}\cdot \ln \frac{1}{3}[/tex]
[tex]k \approx 0.0732[/tex]
The cooling rate of the substance is approximately 0.0732.
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Answer:
B: 0.0732
Explanation:
I took the test :)
Sulfur tetrafluoride, sf4, reacts slowly with oxygen, o2, to form sulfur tetrafluoride monoxide, osf4, according to the following unbalanced reaction: sf4(g)+o2(g)→osf4(g)when the equation is balanced, what are the coefficients?.
Let a, b, c be the coefficients of the balanced reaction
a SF₄ + b O₂ ⇒ c OSF₄
The atom counts for each element among the reactants should be the same as with the products:
• S : a = c
• F : 4a = 4c
• O : 2b = c
If b = 1, it follows that a = c = 2. So the balanced reaction is
2 SF₄ + 1 O₂ ⇒ 2 OSF₄
A color-coded periodic table. Complete each statement with the word that makes it true. The noble gases are the least of any elements on the periodic table. The form acidic compounds with hydrogen. The halogens are the most reactive among all the.
Answer:
1.Reactive
2.Halogens
3.Nonmetals
Explanation:
(WRITTEN IN SENTENCE)
The noble gases are the least reactive of any elements on the periodic table. The halogens form acidic compounds with hydrogen. The halogens are the most reactive among all the non-metals .
Reactive, Halogens, and Nonmetals make the statement true.
What is a Periodic Table?All identified chemical elements are arranged in rows (referred to as periods) and columns (referred to as groups) in the periodic table of chemical elements, also known as the periodic table, in ascending order of atomic number.
According to Los Alamos National Laboratory, the periodic table's horizontal rows are known as periods, and each period number represents the number of orbitals for the elements in that row.
Atoms have protons and neutrons as their nucleus. Outside of that are their electrons, which are grouped in orbitals; an atomic orbital is a mathematical concept that refers to the position of an electron and its wave-like activity.
According to the Royal Society of Chemistry, Russian chemist and inventor Dmitri Mendeleev are regarded as the "father" of the periodic table (opens in new tab). Mendeleev was a well-liked instructor in the 1860s at a Russian institution in St. Petersburg.
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Where did factory workers come from as new factories were built in europe brainly.
Answer:
Factory workers came from Africa as new factories were built in Europe.
Explanation:
In the nineteenth century, European nations began seizing lands in the Middle East to take control of oil reserves.
Western civilization includes which of the following countries? peru mexico south africa united states of america india russia brazil canada france china.
Answer: Peru, Mexico, United states of America, Brazil, and Canada.
Explanation:
They are all on the west
Western civilization includes the following list of countries:
PeruMexicoUnited States of AmericaBrazilCanadaFranceWestern civilization is also referred to as Western culture and it can be defined as a terminology that is used to describe the various cultural heritage of a country in the Western world. Thus, Western civilization is a cultural heritage that comprises the following:
Political systemsArtifactsSocial normsEthical valuesTraditional customsBelief systems TechnologiesIn this context, countries that are under Western civilization includes the following:
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Tech a says that analog signals are continuously variable signals. Tech b says that digital signals are direct on/off signals with no in-between transition. Who is correct?.
The person that is correct based on the two statements made by Tech A and Tech B is;
Both of them.
An analog signal is one that is continuous in both instances of time and amplitude.
Now, in the real world examples of Analog signals are; current, voltage, temperature, pressure, light intensity etc.
Meanwhile, the digital signals are those that contain the digital values which are usually converted at specific instances from the analog signal.
This means that they can have only 2 states which is On or Off.
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Which of the following is a characteristic of an adiabatic process.
Answer:
Adiabatic processes are characterized by an increase in entropy, or degree of disorder, if they are irreversible and by no change in entropy if they are reversible. Adiabatic processes cannot decrease entropy.
Explanation:
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_________ applies to objects that are 3-dimensional in nature and has height, width, and depth.
Form is a feature that applies to objects that are three-dimensional (3-D) in nature and has height, width, and depth.
Form can be defined as an element of art that is typically enclosed in a space.
Basically, form is a three-dimensional (3-D) geometrical figure because it shows three-dimensions, which include:
HeightWidthDepthThis ultimately implies that, the three-dimensional (3-D) parameters that makes up form are height (length), width (breadth) and depth.
In conclusion, form as an element of art is a feature that applies to objects that are three-dimensional (3-D) in nature and has height, width, and depth.
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Which are 2 open issues that you can view from the transaction review tab?.
Based on QuickBooks analysis, the 2 open issues you can view from the transaction review tab are "transactions with missing info and transactions with incorrect info."
Transaction Review TabThe Transaction Review Tab is the tab that allows the users to have an overview of what they have done and make necessary adjustments if need be.
Generally, the Transaction Review Tab in QuickBooks shows two significant issues for users to rectify; these issues are transactions with missing info and transactions with incorrect information.
Hence, in this case, it is concluded that the correct answer is "transactions with missing info and transactions with incorrect info."
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Which of the following is a good practice for protecting computing devices.
A good practice for protecting computing devices is to: ensure your antivirus and other software are kept up-to-date.
Computing can be defined as a process that typically involves the use of computer hardware and software to manage, process and transmit data in order to successfully complete a goal-oriented task.
In Computer science, some examples of a computing device include the following:
KeyboardCentral processing unit (CPU)MonitorRouterGenerally, a good practice for protecting computing devices is to ensure your antivirus and other software are kept up-to-date. Thus, you shouldn't use an outdated software application on your computing devices.
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Which segments show changes of state that release heat? check all that apply. B–a c–b d–c e–d f–e.
Answer:
Answer is C-B and E-D
Explanation:
(B) & (D) Good luckk!:)
B - C and E - D are the segments show changes of state that release heat. Hence option 2 and 4 is correct.
What are segments?Segments are defined as a part of a company that produces its own products, product lines, or service offers and makes its own profits. A segment is a specific length portion of a line with two endpoints. On the other hand, a ray is also a component of a line that has one terminus and an infinitely long other direction.
The material is converting from a solid to a liquid in segments B and C. Since the heat is being used to separate the particles from the solid and transport them into the liquid phase, there is no change in temperature. The material is transitioning from a liquid to a gas in segments D to E. . Because the heat is being used to separate the particles from the liquid and transport them into the gas phase, there is no change in temperature.
Thus, B - C and E - D are the segments show changes of state that release heat. Hence option 2 and 4 is correct.
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A player pays $15 to play a game in which a chip is randomly selected from a bag of chips. The bag contains 10 red chips, 4 blue chips, and 6 yellow chips. The player wins $5 if a red chip is selected, $10 if a blue chip is selected, and $20 if a yellow chip is selected. Let the random variable x represent the amount won from the selection of the chip, and let the random variable w represent the total amount won, where w=x−15. What is the mean of w ? $10. 50 answer a: $10. 50 a $4. 50 answer b: $4. 50 b −$4. 50 answer c: negative 4. 50 dollars c −$6. 50 answer d: negative 6. 50 dollars d −$10. 50.
The mean of the random variable w that represents the total amount won is; -$4.50
We are given quantity of chips inside the bag as;
Number of red chips = 10Number of blue chips = 4Number of Yellow chips = 6Total number of chips = 20
Thus;
P(Red chips) = 10/20 = 0.5P(blue chips) 4/20 = 0.2P(Yellow Chips) = 6/20 = 0.3Amount won from the selection of Red Chip = 0.5 * $5 = $2.5
Amount won from the selection blue Chip = 0.2 * $10 = $2
Amount won from selection of yellow chip = 0.3 * $20 = $6
Thus;
x = $2.5 + $2 + $6
x = $10.5
We are told that total amount won is gotten from;
w = x − 15
Thus;
w = 10.5 - 15
w = -$4.50
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Which of the following statements correctly describes the chromosomes in each daughter cell at the end of meiosis.
Answer:
Following? There are many other people that forgot the follow ing??
Why were savings and loans (s&ls) originally established?.
Answer:
Building and loans originally were established for working class people who wanted to buy homes but did not have access to banks.
Explanation:
Answer:
To help people buy homes ( D )
Explanation:
I just took the test on edge!
In general, an organism will be more likely to develop phobias of __________.
In general, an organism will be more likely to develop phobias of dangers faced during natural circumstances.
Phobia is an unjustified or pathological fear of situations or circumstances that are not dangerous and that most people do not find bothersome. Fear is a natural reaction or an adaptive experience to situations or objects that imply a real danger.When this fear occurs before natural circumstances that do not pose a real danger, then we find this fear is no longer adaptive is what we call a phobia.
Therefore, we can conclude that an organism will be more likely to develop phobias of dangers faced during natural circumstances.
Appeals to a desire for safety and self-actualization are examples of ___________. A. Logical appeals b. Emotional appeals c. Credibility appeals d. Selective appeals.
Answer:
This would be an example of Emotional Appeals
Explanation:
These are when people are messing with the emotions of other people and try to win on their side of an argument.
I hope this helps
Answer:
b
Explanation:
Maya is playing a trivia game with multiple choice questions. Each question has 222 correct answers among 555 answer choices. Maya has no idea what the answers to a certain question are, so she needs to choose two different answers at random. What is the probability that maya's first guess is correct and her second guess is incorrect? round your answer to two decimal places.
The probability that maya's first guess is correct and her second guess is incorrect is 0.24
From the question given above, the following data were obtained:
Correct answer (C) = 222Total answer = 555Incorrect answer (I) = 555 – 222 = 333Next, we shall determine the probability that her 1st guess is correct.
Correct answer, nC = 222Total answer, nS= 555Probability of correct answer, P(C) =?P(C) = nC / nS
P(C) = 222 / 555
Next, we shall determine the probability that her 2nd guess is incorrect
Incorrect answer, nI = 333Total answer, nS = 554Probability of incorrect answer, P(I) =?P(I) = nI / nS
P(I) = 333 / 554
Finally, we shall determine the probability that her first guess is correct and her second guess is incorrect.
Probability of correct answer, P(C) = 222 / 555Probability of incorrect answer, P(I) = 333 / 554Probability of 1st correct and 2nd incorrect, P(C n I) =?P(C n I) = P(C) × P(I)
P(C n I) = (222 / 555) × (333 / 554)
P(C n I) = 0.24
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Answer: 3/10 or 0.3
Explanation: P(1st correct AND 2nd incorrect)= 2/5 • 3/4= 3/10 or 0.3
The scatter plot shows how the cooking time for a turkey is related to its weight. Which statement is not supported by the trend in the scatter plot?.
Answer Each additional pound adds about 2 hours of cooking time.
Explanation:
this is the answer
A government has stopped printing money. It has also directed its national banks to limit new loans to increase the amount of currency held in reserve. The government's goal is to reduce the amount of money available to keep the value of its currency from dropping. Which macroeconomic goal is this government trying to achieve?.
The macroeconomic goal that this government is trying to achieve is: Increasing its gross domestic product (GDP).
Macroeconomics can be defined as the study of performance, behaviors, and factors that affect an entire economy. Thus, macroeconomics is mainly focused on the following aggregate phenomena with respect to the central bank, demand or supply shocks, government policies, aggregate spending and savings:
Price levelEconomic growthGross Domestic Product (GDP)InflationUnemploymentNational income levelsIn this scenario, the government is typically interested and aiming to reduce the amount of money (money supply) that is available within the economy, in order to keep the value of its currency from dropping and depreciating.
This ultimately implies that, the macroeconomic goal that this government is trying to achieve is an increase in its gross domestic product (GDP).
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Answer:
reducing inflation
Explanation:
a pex
Which statement is most closely related to the modern theory of evolution?.
POPULATION THAT HAVE ADVANTAGEOUS CHARACTERISTICS WILL INCREASE IN NUMBER IS THE STATEMENT RELATED TO THE MODERN THEORY OF EVOLUTION.
Background information: this is an excerpt from a letter written by lorenzo de’ medici, the ruler of florence from 1469–1492, to his son giovanni, who had just become a cardinal. You are now devoted to god and the church: on which account you ought to aim at being a good ecclesiastic [priest], and to show that you prefer the honor and state of the church and of the apostolic see [the authority of the pope] to every other consideration. . . You should be the link to bind this city closer to the church, and our family with the city. . . You are always to prefer the interests of the church. –lorenzo de' medici, to his son giovanni, 1489 which of these claims is supported by evidence in the passage? renaissance men were more concerned with secular ideas than religious ones. Despite the growth of humanism, the church was still important to renaissance men. Renaissance men owed their loyalty to their city-state above all other considerations. The most important consideration for any man was his family, followed by the church.
Answer: Despite the growth of humanism, the church was still important to Renaissance men.
Explanation: The renaissance was all about moving more towards humanism and secular ideas, but in this Passage Lorenzo directs his son to devote himself to the church, showing that the church is still a very big and important piece of their lives.
Answer:
The answer is B. Despite the growth of humanism, the church was still important to Renaissance men.
Explanation:
Even though they had other thing going on the church still meant a lot to these men.