Explore the difference between volume and pitch as well as what causes them.

Sound Energy

Some ways that sound can be described are by loudness (or intensity) and by pitch. We can relate to loudness, because we often use the volume for our televisions or iPods™ to make the sound louder (more intense) or quieter (less intense). Pitch is a description of how high or low a sound is. Some sounds have a high pitch, like a chirping bird, while some have a low pitch, like a growling dog.

According to the article how is sound energy created?

Answer:

Sound energy is produced when a force causes an object or substance to vibrate. The energy is then transferred through the substance in waves, called sound waves.

Step-by-step explanation:

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A distance of 50 miles on a map is represented by a 2-inch line. If the map is enlarged to 4 times its size, what will be the scale of the enlarged map? Show your work.

Doors for the small cabinet are 12.5 inches long. Doors for the large cabinets are 2.9 times as long as the doors for the small cabinets. How many large doors can be cut from a board that is 11 feet long?

Find the solution to the system of equations below. 7x+3y=12 and 7x-3y=30

A.(7, 3)
B.(-3, 3)
C.3, -3)
D.(2, -2)

Betty had $70. She bought a necklace for $9 and a ring for $7. Which expression correctly shows the total money Betty has left? A $70 − (−$9) + (−$7) B $70 + (−$9) + (−$7) C $70 − (−$9) − (−$7) D $70 + (−$9) − (−$7) A B C D

how may solutions does 10 + 5/15 = 4 ( if none say no solution)

What should be done to both sides of the equation in order to solve w-9= = 15?
2
91 =15
O Add 15.
O Subtract 15
1
Add 9
2
Subtract 9
2
at 9
1

Dan and Alan take turns mowing the grass of a yard that is 2400 square yards in area. Dan takes an hour to mow the whole lawn using his old mower. Alan only takes 40 minutes to mow the whole lawn using his new mower.

As you answer the following questions, don't forget to show your units!

A. How much lawn does Dan mow in a minute?

B. How much lawn does Alan mow in a minute?

B. How many more square yards does Alan mow in a minute than Dan?

Can someone help me out? :P

What is the sum of 45,189 and 513,215?

A theater has 384 seats. Each row has 16 seats. The area model represents this situation. What is the value of x in the area model?

how can you use a number line to model and compare positive and negative rational numbers?
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The table shows the balance of Steven's savings account over time. Assuming there are no withdrawals, if you graph the relationship for Steven's monthly balances, which points will lie on the resulting line?

Month Balance
1 $400
3 $1,200
7 $2,800
9 $3,600
13 $5,200
(22, 8,400)
(23, 9,200)
(24, 8,800)
(26, 10,400)
(27, 10,600)

If f(x) = 8x^3 - 6x^2 - 4x + 5, find the value of f( -2).

PLZZZ HELP: Calcu-rama had a net income of 5 million dollars in 2010, while a small competing company, Computafest, had a net income of 2 million dollars. The management of Calcu-rama develops a business plan for future growth that projects an increase in net income of 0.5 million per year, while the management of Computafest develops a plan aimed at increasing its net income by 15% each year. Complete the table & graph below for Calcu-rama.

Suppose that a bike rents for $4 plus $1.50 per hour. Your rented a bike to ride around Central Park in New York City, you picked up the bike at 11:00 am and returned the bike at 3:00 pm. How much did you bike rental cost?

Which of the following describes a situation for the inequality: 3w + 9 ≤ 21

A. A girl get $3 for every box of cookies sold plus 9 dollars for trying. She makes either $21 total or just below that amount.

B. A girl get $3 for every box of cookies sold plus nine dollars for trying. She makes either $21 total or more than that amount.

C. Girl scout cookies are good, just pay the girl! (this is not the correct answer.)

D. A girl get $9 for every box of cookies sold plus 3 dollars for trying. She makes either $21 total or just below that amount.

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( -5 , 12) and ( 2 , 26)

For Emily’s birthday, her father treated her and five friends to a dinner at a restaurant at the mall. Emily and her friends ordered three pizza dinners at $6.25 each and three chicken baskets at $7.50 each. All six people ordered soft drinks costing $1.25 each. The sales tax on the meal was 4.5%, and the tip was 15%. What was the total cost of the meal, including the sales tax and the tip?

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Triangles ABC and DEF are similar.

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Someone, please help me! I don't understand like terms. I feel like it is 3z, but I need confirmation, please

Helena, Violet, and Kaneesha are on a baseball team. They each bought a baseball and x pairs of sweat socks. Write an expression to show the teams purchase. !(x*y)+(x*y)!
Baseball - $5
Sweat Socks - $7
Soccer Ball - $21

Broody spent $260 on 4 chairs. To find out how much he spent on each chair, he did the following work in long division. did he do the problem correctly why or why not

Please help me with this. Thank you!

a____

B____

c___

2____

3___

4x9.4 in an area model

A local aquarium had 3,813 visitors on Friday and 4,117 visitors on Saturday. How many total visitors did the aquarium have on Friday and Saturday combined?

A 3-pack of light bulbs costs $3.45. A 4-pack of the same light bulbs costs $4.20.
Which pack has better value?

What is the ratio of apples 3 to bananas 4?