Select the correct answer from the drop-down menu. the sound level, , in decibels (db), of a sound with an intensity of i is calculated in relation to the threshold of human hearing, , by this equation. the threshold of human hearing is . the sound level of a jet plane is approximately 140 db. the intensity of the sound of a jet plane is approximately .

Answers

Answer 1

If the sound level of a jet plane is approximately 140 db, the intensity of the sound of a jet plane is approximate 100dB

Functions and values

The sound level of a jet plane is expressed according tothe expression given as:
β = 10log(I/I0)

Given the folowing parameters

β = 140dB

I0 = 10^-12 W/m²

Required

Intensity "I"

Substitute

140 =10log(I/10^-12)

14 = log(I/10^-12)

10^14 = I/10^-12
I = 10^14 * 10^-12

I = 10^2

I = 100dB

Hence if  the sound level of a jet plane is approximately 140 db, the intensity of the sound of a jet plane is approximate 100dB

learn more intensity of sound here: https://brainly.com/question/9367064

Select The Correct Answer From The Drop-down Menu. The Sound Level, , In Decibels (db), Of A Sound With
Answer 2

Answer:

100

Step-by-step explanation:


Related Questions

​Banana chips sell for 44¢ per 100 g.
How much would 450 g of banana chips cost?

Answers

Answer:

198 cents or
1.98 dollars

Step-by-step explanation:

In julie's class there are 18 girls and only 6 boys. What percent of the class are boys?

Answers

Answer:

25%

Step-by-step explanation:

18+6=24

[tex] \frac{6}{24} [/tex]

6÷24=0.25

0.25×100=25%

What is the simplest form of (5x+2)(5x-2)

Answers

Answer:

 

Step-by-step explanation:

4.
Nalli bought a 24-ounce bottle of salad
dressing for $5.75. She has used 60% of the
bottle this week for her lunches. What is the
cost of the amount of salad dressing that she
has used this week?

Answers

Answer:

THAZ NOW NUMBU FO IDIYIT WEN YO POWPIN

Step-by-step explanation:

Does anybody know this?

Answers

Answer:

here you go , all four completed, took me some time , hipe i was able to help you out tho

Find the product of (x − 3)^2.
x^2 + 6x + 9
x^2 − 6x + 9
x^2 + 9
x^2 − 9

Answers

The answer is B :)
Have a nice day

the car ride from kileys house to the airport

Answers

What is the question on this?

Answer:

this question provides no content for me to answer but i want the points and i will be taking them Thankyou!

Step-by-step explanation:

here is the same sentence translated in spanish

el viaje en coche desde la casa de kileys hasta el aeropuerto

A bag contains 6 blue marbles, 2 red
marbles, 4 yellow marbles, and 8 green
marbles. What is the probability of drawing
a red marble at random from the bag?

Answers

It would be 2/20 or if you want the simplified version, it’s 1/10.
Answer:
Here we have to use combination because the marble is chosen at random.
Probability = x/total
x= 2C1 =2
Total= 20C1 =20
Probability = 2/20 = 1/10
HOPE THIS HELPS :)

How do you solve this math problem?

Answers

Answer: 34.8

Step-by-step explanation:

please help. will mark brainliest

Answers

Step-by-step explanation:

since it is a straight line .

angle 4+ angle 5 = 180

40+ angle 5 = 180

angle 5 = 140

Answer:

A. 140

Step-by-step explanation:

well, one way to look at it is that ∠4 + 5 = 180

we are GIVEN the info that ∠4 = 40

therefore 180 - 40 - ∠5

180 - 40 = 140

Solve: (x + 1)(x ^ 2 - 5x + 10) - 12 = 0​

Answers

[tex]~~~~~(x+1)(x^2 -5x +10) -12= 0\\\\\implies x^3 -5x^2 +10x +x^2 -5x +10 -12 =0\\\\\implies x^3 -4x^2 +5x -2 =0\\\\\implies x^3 -2x^2-2x^2+4x+x-2=0\\\\\implies x^2(x-2)-2x(x-2)+(x-2)=0\\\\\implies (x-2)(x^2 -2x +1)=0\\\\\implies (x-2)(x-1)^2 = 0\\\\\implies x =2 , ~~ x = 1[/tex]

Write an equation in slope-intercept form for the line that is parallel to y=x−6 and that passes through the point (−5,−6).

Answers

Answer:

Equation: y = x - 1

a slope of 1, and a y-intercept of -1

Step-by-step explanation:

Given: y = x - 6

Slope-Intercept Form: y = mx + b -

where:

m is the slopeb is the y-intercept (when x = 0)

Note: parallel lines have the same slope

1. Determine the slope and y-intercept of the given equation:

⇒ y = x - 6 has a slope of 1, and a y-intercept of -6

2. Find the equation of the line parallel line that passes through the point (-5,-6):

⇒ y = x + b [substitute -5 for x and -6 for y]

⇒ -6 = -5 + b [add 5 to both sides]

⇒ -6 + 5 = -5 + 5 + b

⇒ -1 = b

Equation: y = x - 1

3. Check your answer using point (-5, -6):

⇒ y = x - 1

⇒ -6 = -5 - 1

⇒ -6 = -6 ✔

This statement is correct

Therefore, the equation of the line is y = x - 1

Solve the system of equations: 4x+1=5(x−3y)−6

3(x+6y)+4=9y+19

Answers

Answer:

[tex](\frac{16}{3},- \frac{1}{9} )[/tex] or [tex]x=\frac{16}{3}, y=- \frac{1}{9}[/tex]

Step-by-step explanation:

Hello again!

We are given these two systems:

4x+1=5(x-3y)-6

3(x+6y)+4=9y+19

And we want to solve them for x and y.

First, let's do the distributive property to expand out what is in the parentheses.
4x+1=5(x-3y)-6 --> 4x+1=5x-15y-6

Now simplify 4x+1=5x-15y-6

Subtract 5x from both sides

4x+1=5x-15y-6

-5x   -5x

__________

-x+1=-15y-6

Now add 15y to both sides

-x+1=-15y-6

+15y  +15y

___________

-x+15y+1=-6

Subtract 1 from both sides

-x+15y=-7

Now for 3(x+6y)+4=9y+19:

3x + 18y + 4 = 9y + 19

Subtract 9y from both sides

3x + 9y + 4 = 19

Subtract 4 from both sides

3x + 9y = 15

Here is our system now:

-x+15y=-7

3x+9y=15

On 3x+9y=15, because all of the values are multiples of 3, we can actually divide it by 3.

3x+9y=15

÷3      ÷3

x + 3y = 5

So here it is again:

-x+15y=-7

x+3y=5

These equations can actually be solved using elimination! We will be adding these equations together to clear out a variable, solve for the uncleared variable, and then use the value of the uncleared variable to find the value of the cleared variable

So, add -x+15y=-7 and x+3y=5 together.

-x+15y=-7
+

x+3y=5

_____

18y=-2

Divide both sides by 18

y=[tex]-\frac{1}{9}[/tex]

Now substitute -1/9 as y into either -x+15y=7 or x+3y=5

Taking x+3y=5 for example,

x+3(-1/9)=5

multiply

x-1/3+5

Add 1/3 to both sides

x=5+1/3=16/3

So the answer is [tex]x=\frac{16}{3} , y=-\frac{1}{9}[/tex], or as a point, [tex](\frac{16}{3},- \frac{1}{9} )[/tex]

Hope this helps!

Can someone please help me with my math without giving the answer? ​

Answers

Answer:

what do you need help with? i will gladly help :>

Step-by-step explanation:

Ally~

How many times larger than 2x10^3 is 6x10^6?

Answers

Answer: 5,998,000

Step-by-step explanation:

2x10^3= 2,000

6x10^6= 6,000,000

In translation, Use 1 x The Initial SIG FIGS, or first numbers. 10x10 is 100, and notice how 10 and 10 have 2 zeros, so 1x1 = 1 +00 is a way to construct the number.

In this case, the 10^x, the x can represent the number of zeros after our first value.

So, 6 + six zeros, or 6,000,000

and, 2 + 3 zeros, or 2,000

To find the difference, subtract the numbers from eachother and extract the absolute value, (meaning the final answer won't be negative).

So, 6,000,000 - 2,000 = 5,998,000, which is the answer to the prompt!

Hope this Helped!

Who Is The Father Of Math?

Answers

Answer:

The father is Archimedes

Brainliest!!

Archimedes is the father of math. :)

A waiter earns $128 for 6 hours
of work. The total included $86 in
tips. How much does the waiter
earn each hour?
with an equation

Answers

Answer:

$21.33

Step-by-step explanation:

If the waiter earns $128 for 6 hours, divide 128 by 6.

21.33...

Can someone help me with this, please?

Answers

Answer:

P(pink) = 0.225

Step-by-step explanation:

We should ignore the spinner picture because it is a trick!

We need to use the data provided in the table

We need to find the probabilty of getting pink out of all the colors:

[tex]\frac{pink}{purple\ +\ pink\ +\ yellow\ +\ blue} = \frac{9}{12\ +\ 6\ +\ 9\ +\ 13}\\ = \frac{9}{40} = 0.225\ \ (22.5\%)[/tex]

We use the probability notation:

P(pink) = 0.225

Can somebody help me?
(2, 9) is the solution of the system of equations.

y = x + 7
y = 2x + 5

true or false

Answers

Answer:

True! Since if you replace x and y with 2 and 9, you will get 9 = 2 + 7 or 9 = 2 x 2 + 5 which makes the equation true.

Answer:

Yes it's TRUE that ( 2 , 9 ) is the solution of given equations .

Step-by-step explanation:

In the question it is given that whether ( 2 , 9 ) is solution of system of equations that are y = x + 7 and y = 2x + 5 .

And we have to tell that it is true or false.

Solution : -

As in the question we're provided with ( 2 , 9 ) . So , Here :

Value of x is 2

Value of y is 9

( 1 )

[tex] \longmapsto \qquad \:y = x + 7[/tex]

Substituting value of x and y in equation :

[tex] \longmapsto \qquad \: 9 = 2 + 7[/tex]

[tex] \longmapsto \qquad \: \boxed{\bf{9 = 9}}[/tex]

As we see that left side is equal to right side .

Therefore ( 2 , 9 ) is the solution of y = x + 7 .

( 2 )

[tex] \longmapsto \qquad \: y = 2x + 5[/tex]

Substituting value of x and y in equation :

[tex] \longmapsto \qquad \: 9 = 2(2) + 5[/tex]

[tex] \longmapsto \qquad \: 9 = 4 + 5[/tex]

[tex] \longmapsto \qquad \: \boxed{ \bf{9 = 9}}[/tex]

As we see that left side is equal to right side .

Therefore ( 2 , 9 ) is the solution of y = 2(x) + 5 .

#Keep Learning

Find the error in the solution. Identify the solution, and then solve the problem correctly.

In ΔKLM, m Use the Law of Cosines to find the length of LM to the nearest tenth.
LM² = 23² - 20² - 2 (23) (20) cos 119°
LM² = 529 - 400 - 920 cos 119°
LM²≈575.02
LM²≈24.0

Answers

Answer:

Eroor: LM² = 23² - 20² - 2(23)(20) cos 119°

Should be LM² = 23² + 20² - 2(23)(20) cos 119°

Lm² = 575.02 is incorrect

LM² = 1375.016 is correct

LM = 24.0 is incorrect

LM = 37 - 1 is correct

Answer: LM = 37 - 1

Step-by-Step Explanation:

[tex]In\ \bigtriangleup KLM[/tex]

[tex]By\ using\ cosine\ gule:[/tex]

[tex]LM^2=LK^2+Km^2-2LK\times Km[/tex]

                                      [tex]\times cos(119\textdegree[/tex]

[tex]LM^2=23^2+20^2-2\times 23\times 20\times -0.4848[/tex]

[tex]LM^2=529+400+920\times 0.4848[/tex]

[tex]LM^2=929+446+016=1375.016[/tex]

[tex]LM=\sqrt{1375.016}=37.0812=37.1[/tex]

[tex]Error:LM^2=23^2-20^2-2(23)(20)cos\ 119\textdegree[/tex]

[tex]Sholeld\ be\ 2M^2=23^2+20^2-2(23)(20)\ cos\ 119\textdegree[/tex]

[tex]Lm^2=575.02\ is\ incosrect[/tex]

[tex]LM^2=1375.016\ is\ correct[/tex]

[tex]LM=24.0\ is\ correct[/tex]

[tex]Lm=37-1\ is\ correct[/tex]

[tex]Answer:LM=37-1[/tex]

I hope this helps you

:)

phineas has more jolly ranchers than alan. if alan has 10 jolly ranchers how many do they have in total

Answers

Answer:

We cannot know.

Step-by-step explanation:

It only mentions that Phineas has more jolly ranchers than Alan. Since Alan has 10 jolly ranchers, the number of jolly ranchers Phineas could have is 11, 12, 13, 14... and so on. Phineas could have 1 billion jolly ranchers.

PLEASE ANSWER - BRAINLIEST IF 2 ANSWERS - 5 STAR RATING - THANKS (PROFILE TOO)
The formula for the volume of a cylinder is
V = πr2
h, where r is the radius and h is the height.
A cylinder has a radius of 3 cm and a height
of 10 cm.
Which of the following is closest to the volume
of the cylinder?
a. 188 cm3
b. 283 cm3
c. 888 cm3
d. 8882 cm3

Answers

Answer:

b. 283 cm3

Step-by-step explanation:

V = pi * r^2 * h

V = 3.14 * 3^2 * 10

V = 282.6  rounded to 283cm3

Which system of equations is represented by the graph?

one parabola opening upwards and one parabola opening downwards intersecting at points (2, 12) and (-2, 12)

y = x2 + 4x

y = –x2 + x + 12
y = x2 – 8

y = –x2 +16
y = x2 + 8

y = –x2 + 16
y = x2

y = –x2 – x –16

Answers

Answer:

See below

Step-by-step explanation:

Find the value of y when x = 2 or x = -2 to determine the system

It is easy to calculate and confirm the correct equations

y = –x² + 16y = x² + 8

See the attached to verify the answer

Check option C

y=-x²+16

Put (2,12)

12=-(2)²+16=-4+16=12

And

y=x²+8

Put(-2,12)

12=(-2)²+8=4+8=12

Hence verified

Option C is correct

Kim was 11 years old seven years ago.
How old is she now? Write the equation
and solve.

Answers

Answer:

She would be 18 years old.

Step-by-step explanation:

Since she was 11 years old 7 years ago, the equation would be:

11+7=18

Answer:

The answer is 18

Step-by-step explanation:

11+7=18

If kim was 11 years old 7 years ago then you add the years it has been ago and then you get your answer 18

Please consider Brainliest for my answer is correct

When paying for higher education, scholarships and grants can be considered _____.

a)liquid assets

b)free money

c)easy money

d)sound investments

Answers

Answer:Liquid assets

Step-by-step explanation: Can be valued as cash

When paying for higher education, scholarships and grants can be considered liquid assets. Hence, option A is correct.

What is liquid assets?

Liquid assets are assets that can be quickly converted into cash. Although while your assets are valuable possessions that may be traded for cash, not all of them can be sold immediately away for cash or without suffering a loss. A common liquid asset is cash.

Liquid assets include cash on hand, cash stored in a bank, and possessions that can be quickly and readily converted into cash. Common liquid assets include shares, bonds, certificates of deposit, and stocks.

No, an automobile is not considered to be a liquid asset. A car is regarded as a tangible asset that depreciates over time, is more difficult to sell, and is more subject to market swings. It is also challenging to make a quick turn.

Thus, option A is correct.

For more information about liquid assets, click here:

https://brainly.com/question/29760652

#SPJ6

A person's paycheck varies directly as the number of hours worked. Bill received $75 for 15 hours. How much would he receive for working 32 hours?​

Answers

Answer:

$160

Step-by-step explanation:

75/15=5 which means he makes $5 per hour

5*32=160

If Mary paid $20.44 for 7.3 pounds of strawberries, what was the price of 1
pound of strawberries?

Answers

Answer:

$2.31

Step-by-step explanation:

there are five number cards. 1 4 6 8 9 One of the cards is removed and the mean average of the remaining four number cards is 6 Which card was removed? You must show your working.

Answers

Answer:

The card removed was number '4'.

Step-by-step explanation:

9+8= 17

17+6= 23

23+1=24

You then must divide 24 by 4:

24/4 = 6

Therefore the card removed must have been 4.

I hope that helped and I hope it is correct lol.

(NO BOTS) NO TROLLS) help me with this answer!
(WILL BE REPORTED)

Answers

Answer:

2nd one

Step-by-step explanation:

Answer:

[tex]\frac{35}{7} =\frac{70}{14} =\frac{105}{21} =\frac{140}{28} =\frac{5}{1}[/tex]

Step-by-step explanation:

The unit rate is x:1, like 60 miles to 1 hour, or 60/1. To find the answer, put the number of textbooks over the number of students and then simplify the fractions- you will see that they all boil down to 5/1, or 5 textbooks per 1 student.

The function f(t)=6500(1.85)^{365t}f(t)=6500(1.85)
365t represents the change in a quantity over t years. What does the constant 1.85 reveal about the rate of change of the quantity?

Answers

Answer:

The function is *growing* exponentially at a rate of *0.85%* every *year*

Step-by-step explanation:

Other Questions
Please help and show detailed workings for the answers . Tq Which of the following statements best describes the role of a first-person narrator? What is one of the four freedoms that Roosevelt identifies in his four freedom speech f(x) = -7x - 19g(x) = 0.75x + 4.25 x= Find the surface area of the cylinder -11x - 72 = 84 + xAnd I also need to do the check part Is an education a requirement for a successful career?Explain the topic and either agree or disagree with thestatement, offering support for your position. Modeling materials allows children to explore, manipulate, discover, create, and observe changes in physical properties. Children can learn about ________ while manipulating materials Pepe is putting up a fence in his backyard to enclose a garden in form of a triangle. The gardenalready has sides enclosed with eight feet and five feet of fence, respectively. What can you sayabout the length of the third side?AThe side needs a fence that is shorter than 8 ft. but not necessarily longer than 5 ft.The side needs a fence that is longer than 3 ft. and shorter than 13 ft.CThe side needs exactly 8 ft. of fence.The side needs exactly 11 ft. of fence.D The following scatter plot represents the height of a basketball in seconds during a free throw shot.(a) A student chose to model the data with the function, y = 0.9286x + 9.0571 . Why is a quadratic model more appropriate for this data? Explain your answer in complete sentences.(b) Use a graphing calculator or other technology to write a function that better models the data in the scatter plot. Round each term to the nearest ten-thousandth. Select the correct answer.Which of the following is true about doing a cartwheel?A. Cartwheels should only be attempted by a trained athleteB. You will be balanced on both hands for a short time when doing a cartwheelC. Cartwheels can only be done with your right hand firstD. Only one hand touches the ground during a cartwheel Alex has two designs to build a chest. In each design, the chest is a rectangular prism.Chest A has dimensions of 5 feet 3 feet 214 feet5feet3feet214feet. Chest B has dimensions of 4 feet 312 feet 3 feet4feet312feet3feet. Part AHow much space does each chest hold? Include units in your answers. Beams of different frequency electromagnetic radiation are listed below. Each beam has the same total energy. Rank these beams on the number of photons in each beam. In adult animals, ___________ are a source of undifferentiated cells that can divide to produce cells that can specialize. what is the area of this figure? Lois rented a car for $54.00 a week plus $0.15 for each mile the car is driven. What is the greatest number of miles Lois can drive the car in one week if she wishes to spend at most $140.00? How old was Michelangelo when he made his first sculpture, Madonna and Child? Question 9 options: 16 78 2 three quotes that show the relationship between macbeth and lady macbeth NOT FROM ACT 1 SCENE 7 Which best describes what "vain pretense" means? A triangle has the dimensions shown. The area of the triangle is..A) A=6x^2B) A=7x^2C) A=12x^2D) A=7/2 x^2