1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Mama L [17]
3 years ago
9

A student is standing a distance of 4 m from the school bell. If the student moves to a distance 20 m away, what fraction of the

original intensity of the bell’s sound will the student hear?
Mathematics
1 answer:
Neporo4naja [7]3 years ago
6 0

Answer:

Fraction=1/5=0.2

Step-by-step explanation:

If the student is 4m away from the school bell and moves 20m away, it means that he is 5 times more distant from the school bell and therefore should listen 5 times less, that is, 1/5 of the original sound.

Note: this as long as the initial environment conditions of 4m are the same at 20m

You might be interested in
The volume of a rectangular prism is given by the expression 2x^4+2x^3-4x^2-4x. Write the volume as the product its dimensions.
telo118 [61]
<h3>Answer:  2x(x^2-2)(x+1)</h3>

=========================================================

Explanation:

First factor out the GCF 2x

2x^4+2x^3-4x^2-4x

2x*x^3+2x*x^2-2x*2x-2x*2

2x(x^3 + x^2 - 2x - 2)

Then let's factor the expression inside the parenthesis using the factor by grouping method

x^3 + x^2 - 2x - 2

(x^3 + x^2) + (- 2x - 2)

x^2(x + 1) - 2(x + 1)

(x^2 - 2)(x+1)

We see that x^3 + x^2 - 2x - 2 factors to (x^2-2)(x+1)

Overall, the original expression fully factors to 2x(x^2-2)(x+1)

length = 2x

width = x^2-2

height = x+1

The order of length, width, and height doesn't matter.

7 0
2 years ago
Jessica is walking home from a friend's house. After two minutes she is 1.8 miles from home. Twelve minutes after leaving, she i
yKpoI14uk [10]
I believe Jessica’s rate in miles per hour is 0.9.
4 0
3 years ago
Please help. It’s a picture
Korolek [52]
$260

I don’t know what model/formula you are supposed to be using.

But what I did first was calculated what 30% of 2700$ is.
2700 x .3 = 810

So it depreciates $810 per year.

$810 x. 3 years = 2430

2700 - 2430 = 260

In three years, the laptop will be worth $260
6 0
3 years ago
Find the circumference, giving brainlies pls asap
zalisa [80]

Answer:

B) 12.6π ; 39.6

Step-by-step explanation:

Circumference:

C = 2πr

C = 2(3.14)(6.3)

C = 6.28(6.3)

C = 39.6

C = 2πr

C = 2π6.3

C = 12.6π

4 0
3 years ago
Read 2 more answers
Shelly a 4.2 oz of Trail Mix Marsh Marshall ate 4.25 oz of Trail Mix how much more trail mix did Marshall eat
dimulka [17.4K]

With just some easy subtraction we can see that he ate 0.05 more trail mix than shelly. please mark brainliesy if correct, hope this helps!

8 0
3 years ago
Read 2 more answers
Other questions:
  • Anyone know how to check solution, please help if u do
    11·1 answer
  • All I need to know is how to do 13. After I know how to do 13, I'll know how to do the rest. Please show your work and explain i
    14·1 answer
  • X= -3y+8 in standard form<br><br> SHOW ALL WORK
    5·2 answers
  • A little bit of geometry how many triangles do you see
    15·2 answers
  • In March, a family starts saving for a vacation they are planning for the end of August. The family expects the vacation to cost
    5·1 answer
  • A falcon flew 70 miles in 3 hours. What was the speed of the falcon?. . Given: speed = distance over time; 1 mile = 1609 meters.
    8·1 answer
  • Find the 44th in the following arithmetic sequence 2,3,4,5
    14·1 answer
  • An automobile producing company operates car dealerships that sell its cars. In order to assess the service costumers get at the
    5·1 answer
  • Explain what the number 0 on the gauge represents and explain what the numbers above 0 represent
    13·1 answer
  • YESSIR HOOD MEALS FOR LIFE
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!