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
Ede4ka [16]
3 years ago
11

Differentiate between:1.Crest and trough.2. Infrasound and ultrasound.​

Mathematics
1 answer:
Vinil7 [7]3 years ago
5 0

Answer:

A crest is the highest point of a wave.

A trough is the lowest point of a wave.

Infrasound is sound below the limit that humans can hear, below 20 Hz.

Ultrasound is sound above the limit that humans can hear, above 20,000 Hz.

You might be interested in
Which number is equivalent to the improper fraction 35/4
bulgar [2K]

Step-by-step explanation:

If you want to make the improper fraction into a mixed fraction/decimal;

35/4 = 32/4 + 3/4 = 8 3/4 = 8.75.

8 0
3 years ago
Read 2 more answers
If x2 = 30, what is the value of x?
hammer [34]

Answer:

15

Step-by-step explanation:

15 x 2 = 30

8 0
2 years ago
Read 2 more answers
Question 14(Multiple Choice Worth 1 points)
Alex_Xolod [135]

Answer:

I think the third one.

Step-by-step explanation:

8 0
3 years ago
Help I’m being timed!!
UNO [17]

Answer:

False the radius would be 6.5

Step-by-step explanation:

Hope this Helps! :)

5 0
3 years ago
Work out the length of X.
vlabodo [156]

Answer:

By Pythagoras theorem

H^2=P^2+B^2

25^2=x^2+24^2

625=x^2 + 576

625-576=x^2

49=x^2

x^2=49

x=√49

x=7cm

Hope this helps uhh

6 0
2 years ago
Other questions:
  • Each side of a square is x meters long. Each side of the square is increased by 10%.
    12·1 answer
  • What is 81295 to nearest ten
    12·1 answer
  • Find the mean absolute deviation of the set of data. 2, 3, 5, 7, 9
    5·1 answer
  • Pls follow the steps and show work
    10·1 answer
  • Please explain #2 for me please!<br> The question deals with proportions.
    9·1 answer
  • PLEASE HELP WILL MARK BRAINLIEST!:)
    12·1 answer
  • 10k^2 - 10k + 2 = -k
    5·1 answer
  • Help I have 10 minutes left <br> 55<br> 15x + 5<br> 8<br> 09<br> 0.7<br> O 3,3
    12·1 answer
  • Find the percent increase. Round to the nearest percent.
    13·2 answers
  • 5x+3x-6=6x+12 what is the answer
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!