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vampirchik [111]
2 years ago
9

Pls help

Mathematics
1 answer:
galina1969 [7]2 years ago
8 0

Answer:

  • van: 8
  • bus: 22

Step-by-step explanation:

If we let v and b represent the seating capacity of vans and buses, respectively, then the two trips can be described by ...

  8v +8b = 240

  4v +b = 54

Dividing the first equation by 8 gives ...

  v +b = 30

Subtracting that from the second equation gives ...

  3v = 24

  v = 8 . . . . . . . . . . . divide by 3

  b = 30 -8 = 22

The number of students in each van is 8; the number in each bus is 22.

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Striking a tuning fork harder makes the sound coming from the fork louder. This changes the _________ of the sinusoidal graph.
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Answer:

Amplitude.

Step-by-step explanation:

Loudness of a sound wave is proportional to its amplitude of vibration.

3 0
3 years ago
PLEASE ANSWER + BRAINLIEST!!!!
kupik [55]
So, let's begin...
First off, you must note that the question is asking for the d value when you substitute the value of c(x).
You are given the following information:
1. The c(x) value is already given to be 0.75x.
2. The equation to find d of (any value) is 0.8y-5.

So, substitute the value of 0.75x as a y value into 0.8y - 5. This is because you are substituting the value of c(x) for d. This is equal to 0.8 times 0.75x - 5. This is equal to 0.6x - 5, which is the function. Thus, your final answer is d(c(x)) = 0.6x - 5.
If you have any questions please comment. Otherwise, hope this helps! :)
6 0
3 years ago
Yes or no ? i need help please
Snowcat [4.5K]

Answer:

yes

Step-by-step explanation:

3 0
3 years ago
What is 45x5 1/2 + 25 - 2 + 5x 3?
tamaranim1 [39]

Answer:

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Step-by-step explanation:

5 0
3 years ago
What is the solution to x/3 = -12
Mademuasel [1]

Answer:

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Step-by-step explanation:

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