A person moves away from a stationary sound source

Answers

Answer 1
Lower pitch and longer wave

Related Questions

My favorite toys were Legos and a chemistry set growing up; the most fun of all was using the chemicals to melt the plastic bricks to me
Which revision places the modifiers correctly?

• My favonte toys were Legos and a chemistry set, growing up; the most fun of all to me was using the chemicals to melt the plastic bricks.

Growing up my favorite toys were Legos and a chemistry set, the most fun of all was using the chemicals to melt the plastic bricks, to me.

Growing up, myvavorite toys were Legos and a chemistry set; to me, the most fun of all was using the chemicals to melt the plastic bricks.

• My favonte toys, growing up, were Legos and a chemistry set; the most fun of all was using the chemicals to melt the plastic bricks to me

Answers

Answer: The correct revision is: “Growing up, my favorite toys were Legos and a chemistry set; to me, the most fun of all was using the chemicals to melt the plastic bricks.”

Explanation: This revision places the modifiers correctly by starting with an introductory phrase that sets the context (“Growing up”), followed by a comma and then the main clause (“my favorite toys were Legos and a chemistry set”). The sentence then ends with another semicolon and a phrase that adds additional information (“to me, the most fun of all was using the chemicals to melt the plastic bricks”).

Hope this helps, and have a great day!

The lifetime of a particular type of car tire is normally distributed. The mean lifetime is 50,000 miles, with a standard deviation of 5,000 miles. Of a random sample of 15,000 tires, how many of the tires are expected to last for between 45,000 and 55,000 miles?

Answers

Answer:

10,240 tires

Explanation:

To calculate the percentage of tires that are expected to last for between 45,000 and 55,000 miles, we need to find P(45000 < X < 55000).

Calculator input for "normal cumulative distribution function (cdf)":

Lower bound: x = 45000Upper bound: x = 55000Mean, μ = 50000Standard deviation, σ = 5000

⇒ P = 0.682689492...

⇒ P = 68.27%

Therefore, approximately 68.27% (2 d.p.) of tires are expected to last for between 45,000 and 55,000 miles.

To find the number of tires that are expected to last between 45,000 and 55,000 miles from a random sample of 15,000, multiply the found percentage by the number in the sample:

⇒ 0.682689492... × 15000 = 10240.3428...

Therefore, of a random sample of 15,000 tires, 10,240 tires are expected to last for between 45,000 and 55,000 miles.

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After training for two weeks, the athlete gets stronger and can apply more force to the weight. If he can now push the weight 100 meters in 74 seconds, what is his average speed, in meters per second, rounded to the nearest hundredth?

Answers

Average speed = distance/time = 100m/74s
= 1.35 m/s

1.35 m/s, is his average speed, in meters per second, rounded to the nearest hundredth.

What is distance?

Distance is the measurement of a physical separation between two objects. The sum of the paths between two points is the “distance traveled.” the length from the beginning position to the final point of Speed is the distance covered in a given amount of time. That portion of motion that cannot be zero is the distance.

According to the given the case was the situated of the average speed. The athlete weight 100 meters.

The athlete weight in 74 seconds.

The average speed = ?

Average speed = distance/time Average speed = 100 m/74sAverage speed = 1.35 m/s

As a result, the 1.35 m/s, is his average speed, in meters per second, rounded to the nearest hundredth.

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Why are generic pharmaceuticals significantly cheaper than name brand ones?

NEED HELP ASAP

Answers

Answer:

Generic drugs tend to cost less than their brand-name counterparts because generic drug applicants do not have to repeat animal and clinical (human) studies that were required of the brand-name medicines to demonstrate safety and effectiveness.

Generic pharmaceuticals are significantly cheaper than name brand ones because generic pharmaceuticals are not protected by patent law, so the lack of barriers to entry and increased competition keep prices down.

Also, the makers of generic drugs do not have to cover the cost of developing and marketing a new product.

50×690<[5]+68=56]9834/+÷88​

Answers

Answer:dude i know thats not what u need u just wating time

Explanation:

The graph below shows the value of the US dollar versus the Canadian dollar. A graph titled Value of U S Dollar versus Canadian Dollar has month on the x-axis, from October 2012 to March 2013, and Canadian Dollars per U S Dollar on the y-axis, from 0.96 to 1.04. A line is drawn to connect the points on the graph. The line is at the lowest point in October, and it is the highest in March. For the time period shown, the value of the US dollar was generally rising against the Canadian dollar. falling against the Canadian dollar. more than twice that of the Canadian dollar. about half that of the Canadian dollar.

Answers

Answer:

The most favorable exchange rates for an American were in March 2013.  A US dollar could purchase the most Canadian dollars in March 2013.

Explanation:

In March 2013, $1 could buy around $1.03 Canadian dollars.

Looking at the graph, the best time to make a purchase is in March 2013.

What is exchange rate?

Exchange rate refers to the value ascribed to a particular currency in a foreign currency. Usually, currency exchange rates are not static but depend on many factors.

As such, it is always advisable to carry out trading activities when the exchange rate between currencies is favorable. Looking at the graph, the best time to make a purchase is in March 2013.

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Argument Reread page 64. Restate what Beto, Harry, and Gustavo Adolfo each said about which of the children's rights was most important. Whose argument do you agree with? Why?​

Answers

Beto holds the opinion that the most crucial among children's rights is access to education, as it establishes the groundwork for achievement and prosperity in one's future.

What was Harry's opinion?

According to Harry, the ultimate priority is safeguarding the welfare of children, as their ability to prosper is hampered by persistent apprehension.

According to Gustavo Adolfo, the most crucial right among all is the right to health, as it serves as the foundation for enjoying other rights, and children are deprived of their basic rights in its absence.

It is imperative to acknowledge that all of these rights hold equal importance, and none of the rights outweighs the other. Every child has a right to a secure, wholesome, and educated environment that can help them achieve their maximum potential.

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what is a variable cost

Answers

Variable costs are any expenses that change based on how much a company produces and sells. So for example this means that variable costs increase as production rises and decreases as production falls.

Which substances are necessary for the synthesis of most materials in an organism.

Answers

Enzymes

Explanation:

are substances necessary for the synthesis of most materials in an organism.

I hope this is an option???

which of the following is true about office friendships?

which of the following is true about office friendships?

Answers

Answer:

D. Office friendships lead to a workplace in which socializing rarely occurs.

what fallacy is assuming, without further evidence, that something cause what happened after it?​

Answers

Answer:

Slippery Slope

Explanation:

The Latin phrase "post hoc, ergo propter hoc" means "after this, therefore because of this," and it refers to the fallacy you are discussing. Additionally, it is occasionally referred to as the "post hoc fallacy."

The logical fallacy in a post hoc argument is the assumption that something causes another thing simply because they happen one after the other. The adage "correlation does not imply causation" is frequently used.

When two events occur in close proximity to one another, this is known as correlation. They might be connected, but it could also just be a coincidence.

It is impossible to determine if one led to the other or even if they are indeed connected. This error is frequently made by those who believe that because something occurs after another, it must have a logical cause.

Thus, The Latin phrase "post hoc, ergo propter hoc" means "after this, therefore because of this," and it refers to the fallacy you are discussing. Additionally, it is occasionally referred to as the "post hoc fallacy."

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Complete the Module 6 Discussion Board: Schwartz. Pick out at least two interesting ideas presented in the Schwartz readings for this week. Share the concepts in your own words, implications for your own thinking and questions you may have

Answers

In the Schwartz readings for this week, I came across two interesting ideas.

What were the ideas?

The first concept is about intrinsic and extrinsic motivation. Schwartz discusses how intrinsic motivation, which comes from personal enjoyment and interest in an activity, leads to greater satisfaction and long-term engagement compared to extrinsic motivation, which involves external rewards.

This made me reflect on the importance of finding intrinsic motivation in my own studies and activities.

The second idea is the paradox of choice, where having too many choices can lead to decision paralysis and dissatisfaction.

I'm curious to explore strategies to overcome this paradox and make more effective decisions in my college life.

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The evidence-based reading section of the PSAT assess a student's:

Answers

Answer:

The evidence-based reading section of the PSAT assesses a student's reading comprehension skills, ability to analyze and interpret text, understanding of author's purpose and tone, and proficiency in identifying evidence to support claims or draw conclusions from the given passages.

Through a variety of reading passages, including fiction, non-fiction, and informational texts, the evidence-based reading section evaluates a student's ability to comprehend and critically analyze written material. It assesses their aptitude in identifying main ideas, making inferences, understanding vocabulary in context, and evaluating the logical structure and argumentation within the texts.

The evidence-based reading section of the PSAT provides a comprehensive assessment of a student's reading skills, focusing on their ability to comprehend, analyze, and interpret various types of written passages. It evaluates critical reading skills that are vital for academic success and higher-level thinking.

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Find the probability of answering the two multiple choice questions correctly if random guesses are made. Assume the questions each have five choices for the answer. Only one of the choices is correct.

Answers

Answer:

Explanation:

just pick the one you think is right

A prism has a length of l, width of 3 feet, and height of 7 feet. The volume of this rectangular prism is 84 ft3. What is the length of the prism? 28 ft 12 ft 8 ft 4 ft

Answers

Answer:

4

Explanation:

Took it on edg 2021

Answer:

The answer is 4 or D

Explanation:

Your credit card has a credit limit of $1,000. Your credit card company reviews your credit line every 6 months. They will not increase your credit line more than 10% each 6-month period. Assuming they increase your limit each 6-month period by 10%, how long will it take to increase your limit to $1,600?

a) 0. 5 years

b) 1 year

c) 2. 5 years

d) 10 years

Answers

Answer:

C

Explanation:

We can solve this problem by using exponential growth. If the credit line increases by 10% every 6 months, then the credit line after n periods can be calculated as:

Credit line after n periods = $1,000 x 1.1^nWe want to find how many periods (n) it will take for the credit line to reach $1,600. So we can set up the equation:

$1,600 = $1,000 x 1.1^nDividing both sides by $1,000, we get:

1.6 = 1.1^nTaking the logarithm of both sides, we get:

log(1.6) = n x log(1.1)

n = log(1.6) / log(1.1)

n ≈ 5Therefore, it will take approximately 5 periods of 6 months each, or 2.5 years, for the credit line to increase to $1,600.

The answer is (c) 2.5 years.

contaminated water is subjected to a cleaning process the concentration of the pollutants

Answers

Answer:

i need points ofr this 50 question quizi need points ofr this 50 question quiz

Explanation:

i need points ofr this 50 question quiz

While Jenner's interest in the protective effects of cowpox began during his apprenticeship with George Harwicke, it was 1796 before he made the first step in the long process whereby smallpox, the scourge of mankind, would be totally eradicated. For many years, he had heard the tales that dairymaids were protected from smallpox naturally after having suffered from cowpox.

—"Edward Jenner and the History of
Smallpox and Vaccination,"
Stefan Riedel

Which statements support the claim that Jenner has been given credit for starting and spreading the practice of immunization?

Jenner became interested in the protective effects of cowpox during his apprenticeship.
Jenner’s mentor was George Harwicke.
Jenner made the first step to erase smallpox.
Smallpox is called the scourge of mankind.
Jenner heard stories of cowpox helping to save people from smallpox.

Answers

Jenner made the first step to erase smallpox and Jenner heard stories of cowpox helping to save people from smallpox support the claim that Jenner has been given credit for starting and spreading the practice of immunization.

These statements show that Jenner was the one who took the first step towards eradicating smallpox by investigating the link between cowpox and smallpox immunity. Additionally, the fact that he had heard stories of cowpox protecting people from smallpox suggests that he was the one who popularized the idea of using cowpox as a means of immunization. However, the statements about Jenner's apprenticeship, mentor, and the severity of smallpox are not directly related to his contribution to the practice of immunization.

1. How long has Barbie been in production for?
2. What changes have been made to Barbie over the years?
3. Has Barbie developed from a gender-specific product to a gender neutral product?
4. Have new characters been introduced to appeal to either gender?  Has this been successful?
5. How does Barbie influence the construction of gender for young children in the 2020’s?

Answers

i think the answer is 7 also my butt hurts from second

Note that TUVW has vertices T (4, 2), U(1, -7), V(-3, -5), and W(-1, 3).
Complete the following to determine if TUVW is a parallelogram.
Find the midpoint of WU.

Answers

The midpoint M of a line segment with endpoints (x1, y1) and (x2, y2) is given by the formula:

M = ((x1 + x2)/2, (y1 + y2)/2)

To find the midpoint of WU, we use the coordinates of points W and U:

W = (-1, 3) and U = (1, -7)

Using the midpoint formula, we have:

M = ((-1 + 1)/2, (3 - 7)/2)

M = (0, -2)

Therefore, the midpoint of WU is (0, -2).

According to Newton's 3rd Law of Motion, when you walk on the sidewalk, the push of your shoe on the ground is _______ the push of the ground on your shoe. *

Answers

Answer:

opposite

Explanation:

Newton's 3rd law of motion: If object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A.

so it should be opposite because the ground/floor pushes the shoe up and forward, the shoe pushes down and back.

correct me if you see a mistake.

Write a formula what does begin with?

Answers

Answer:the beginning of a formula is a = sign

Explanation: hoped that helped and do great on your SAT

A music major might choose to specialize in

Answers

Answer:

vocalization i think thats how you say it

~A certain rectangular prism has a height of h inches, a width that is 3 inches less than its height, and a length that is 4 inches more than its height. Ifthe area ofthe base of the prism is 60 square inches, what is the volume of the prism, in cubic inches?

Answers

Answer:

Volume = 480 cubic inches

Explanation:

We have the following relationships to work with

width w = h -3

length l = h + 4

area of base of prism a = l x w = 60  (1)

area of base in terms of h = (h-3)(h+4) =h² -3h + 4h -12 (2)

Setting (1) = (2) gives

h² + h -12 =60

h² + h -72 = 0

Factoring the LHS we get

(h+9)(h-8) = 0

The solutions for h are

h + 9 = 0 ==> h = -9

h - 8 = 0 ==> h = 8

Since h cannot be negative, h = 8 inches

Volume = base area x h = 60 x 8 = 480 cubic inches

Note

We do not have to calculate length and width separately, but if so,

w = 8 -3 = 5

l = 8 + 4 = 12

Read this passage about the invention of the modern seismograph.

Using knowledge of earthquake waves and motion, John Milne invented the modern seismograph in 1880. This device records the movements of different waves created by an earthquake as they move through Earth's interior and across its surface. This data allowed scientists to discover more about Earth's interior such as the fact that the core is solid.

Question
What did the invention of the seismograph allow scientists to discover?
Responses

1. There are different types of earthquake waves.



2. Earthquakes can be predicted.

3. Earth's core is solid.


4. Earthquake damage is due to waves of energy.

Answers

The invention of the seismograph allow scientists to predict the earthquake. The correct option is 2.

What is seismograph?

Seismographs are devices that record the movement of the ground during an earthquake. They are installed in the ground all over the world as part of a seismographic network.

Sensitive seismographs, which magnify ground motions, can detect strong earthquakes from anywhere on the planet.

Seismograph stations' data can be used to determine the time, location, and magnitude of an earthquake.

The seismologist can tell how far away the earthquake was and how powerful it was by studying the seismogram.

This record does not tell the seismologist where the epicenter was, only that the earthquake occurred a certain number of miles or kilometers away from that seismograph.

Thus, the correct option is 2.

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V = -lwh
4 cm
5 cm
In the pyramid shown above, the edge of each
face is 5 cm and the height of the pyramid is 4
cm. If the base of this pyramid is a square, then
what is the volume of this pyramid?
(A) 8 cm3
(B) 24 cm3
(C) 60 cm3
(D) 96 cm3

Answers

Answer:

the volume of the square based pyramid is 24 cm³.

Why would high unemployment result in larger amounts of government transfer payments

Answers

Answer: Government transfer payment is a payment made for which no current or future goods or services are required in return. This ALSO includes unemployment insurance benefits. And the government has BEEN paying revenue in unemployment benefits before the pandemic. But due to Co vid

over 10million Americans are unemployed,in result they file for unemployment benefits, which leads to the government paying more revenue in unemployment benefits.

Explanation:

ʕっ•ᴥ•ʔっ Brainliest plz

under certain class of 70 students 4/7 of the students are boys in the ratio of students to Musa older students less than 10 years is 2 to 3 if 2/3 of the girls are less than 10 years old how many boys are 10 years old or older

Answers

Answer:

There are 8 boys who are less than 10 years old, and the remaining 32 boys are 10 years old or older.

Explanation:

- The class has 70 students.

- 4/7 of the students are boys. This means there are 4/7 x 70 = 40 boys in the class.

- The remaining 30 students are girls.The ratio of students to Musa older than 10 years is 2 to 3. Let's assume that there are a total of 5 groups of students (2 + 3 = 5), with each group having a certain number of students. Then, we can represent the total number of students older than 10 years as 3/5 of the total number of students, and the total number of students less than 10 years as 2/5 of the total number of students.

- 2/3 of the girls are less than 10 years old. This means there are 2/3 x 30 = 20 girls who are less than 10 years old, and the remaining 10 girls are 10 years old or older.

Now we need to figure out how many boys are 10 years old or older. We know that there are 40 boys in total, and we also know that the total number of students older than 10 years is 3/5 of the total number of students. This means that there are 3/5 x 70 = 42 students older than 10 years.

If we assume that all 10 girls who are 10 years old or older are part of the group of students older than 10 years, then the total number of students who are 10 years old or older is 40 boys + 10 girls = 50 students. Since there are 42 students older than 10 years, this means that there are 8 boys who are less than 10 years old.

Therefore, there are 8 boys who are less than 10 years old, and the remaining 40 - 8 = 32 boys are 10 years old or older.

I hope this helps! And if you could label my answer brainliest that would be awesome.

- Dante

In a class of 70 students, 4/7 are boys. The ratio of students to Musa's age (less than 10 years) is 2:3.

How to find the ratio

If 2/3 of girls are also less than 10 years old, we can find the number of boys aged 10 or older.

Since 4/7 of 70 students are boys (40 students), and the ratio for Musa's age is 2:3, there are 2/5 (40 * 2/5 = 16) boys less than 10 years old.

This means 40 - 16 = 24 boys are 10 years old or older.

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Are there any Michael Jackson Fans out there?

Answers

Answer:

here i love him he is one of my favorite

my teacher is a big fan its my history teacher shes a big fan

What is the answer pls I need help

What is the answer pls I need help

Answers

Answer:it is neither

Explanation:

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