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melamori03 [73]
2 years ago
8

Which values of a, b, and c represent the answer in simplest form?

Mathematics
2 answers:
m_a_m_a [10]2 years ago
3 0

Answer:

D

Step-by-step explanation:

Alex777 [14]2 years ago
3 0

Answer:

above is right

Step-by-step explanation:

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A sound wave is traveling at 6,420m/s and has a frequency of 600Hz. What is the wavelength?
GaryK [48]

Answer:

10.7 m

Step-by-step explanation:

Given that,

The speed of a sound wave, v = 6,420 m/s

The frequency of the wave, f = 600 Hz

We need to find the wavelength of the wave. We can find it using the below relation as follows :

v=f\lambda\\\\\lambda=\dfrac{v}{f}\\\\\lambda=\dfrac{6420}{600}\\\\\lambda=10.7\ m

So, the wavelength of the sound wave is equal to 10.7 m.

4 0
3 years ago
Gisela is putting her 35 CD into categories. She has 11 that are pop music, and she has 3 times as many rock CDs as she has clas
Sav [38]
R + c=24
r=3c
3c+c=24
x=6
So there are 18 rock CDs
5 0
3 years ago
Is this answer correct?
slavikrds [6]
NO. Sine is opposite/hypotenuse, so the answer should be 24/25
4 0
3 years ago
HELP!!!
irina1246 [14]

Answer:

x=-120

x=-102

Step-by-step explanation:


8 0
2 years ago
Read 2 more answers
David kicks a soccer ball off the ground and in the air, with an initial velocity of 35 feet per second. Using the formula H(t)
sesenic [268]

Answer:

Step-by-step explanation:

The function for this problem is: h(t) = -16(t)^2 + vt + s h= the height t= time v= velocity s= starting height With the information given, we know that the starting height is 0, since it was from the ground, and the velocity of the ball is 35 feet per second. Inserting the these information into the equation, we get: h(t) = -16(t)^2 + 35t Now the question asks to find the maximum height. It can be done by using a grapher to graph the maximum of the parabola. It could also be done by finding the vertex, which would be the maximum, of the graph by using x= -b/(2a), where b is equal to 35 and a is equal to -16. We get x=35/32, the x-value of where the vertex lies. You can use this value as the t-value in the previous equation to find the h-value of the vertex. When you do, you get h= 19.1 feet, or answer D.

hope this helps

6 0
3 years ago
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