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gizmo_the_mogwai [7]
3 years ago
11

Help pls on this worksheet

Mathematics
2 answers:
salantis [7]3 years ago
8 0

3/10

1/10

-10/3

-10

Savatey [412]3 years ago
6 0
1. 3/10
2. 1/10
3. -10/3
4. -10
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A sound wave enters a new medium where sound travles faster. How does this affect the frequency and wavelength of the sound?
zhenek [66]

Answer:

The frequency doesn't change. If the wavespeed increases, then the wavelength must also increase ... It's just the distance the wave travels during each complete wiggle.

Step-by-step explanation:

  • Sound waves are a type of mechanical wave which requires a material medium for transmission. The transmission of such waves occurs as a result of vibration of particles in the material medium. The faster the vibration of the particles the higher the speed of the sound waves.
  • When a sound enters a new medium where the sound travels faster, it means the vibration of particles is high, and the wavelength of the waves increases which means the speed of the wave has increased. The frequency on the other hand will remain constant.

4 0
3 years ago
Given the points A(-1, -2), B(-1, 2) and C(6,0), use the distance formula to
bazaltina [42]
Answer:

Isosceles triangle

Step-by-step explanation:

A triangle that contains 2 equal sides but one side different

7 0
2 years ago
: Your experience indicates that offering a discount in your emails increases responses by 80%. Your last email, without a disco
timofeeve [1]
For this case we can make the following rule of three:
 23000 -------> 100%
 x --------------> 180%
 Clearing the value of x we have:
 x = (180/100) * (23000)
 x = 41400
 Answer:
 
you would expect about:
 
a) 41,400 responses
8 0
3 years ago
The circumference of a circle is 32π. What is the diameter of this circle?
lawyer [7]
C = 2 (pi) r 

32 (pi) = c

32 (pi)= 2 (pi) r 

r= 16 

2r = d 
 d= 32

hope that helps
4 0
3 years ago
Jerry has been staying up late at night to get in some extra study time. He hopes to get accepted into his favorite college and
svet-max [94.6K]
(Answer coming from someone who’s stressed himself)
Upset stomach.
When you’re stressed, you have a higher heart rate, difficulty sleeping, and feeling exhausted the whole day.
3 0
3 years ago
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