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Snowcat [4.5K]
3 years ago
12

A wave is traveling at 36 m/s. If its wavelength is 12 m, how many times does a wavelength move across a set point every second?

Mathematics
2 answers:
Lynna [10]3 years ago
8 0
Basically, what is asked here is the frequency in per second. This could be calculated by dimensional analysis, such that the remaining unit is 1/s.

36 m/s\ / \ 12 m = 3\ s^{-1}

Thus, the answer is three times. Letter B.

I hope I was able to give a good explanation. Thank you.
Sunny_sXe [5.5K]3 years ago
6 0

Answer:

The answer is B. 3 times

                           

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Answer:

At a certain pizza parlor,36 % of the customers order a pizza containing onions,35 % of the customers order a pizza containing sausage, and 66% order a pizza containing onions or sausage (or both). Find the probability that a customer chosen at random will order a pizza containing both onions and sausage.

Step-by-step explanation:

Hello!

You have the following possible pizza orders:

Onion ⇒ P(on)= 0.36

Sausage ⇒ P(sa)= 0.35

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The events "onion" and "sausage" are not mutually exclusive, since you can order a pizza with both toppings.

If two events are not mutually exclusive, you know that:

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Using the given information you can use that property to calculate the probability of a customer ordering a pizza with onions and sausage:

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P(on∩sa)= P(on)+P(sa)-P(on∪sa)

P(on∩sa)= 0.36+0.35-0.66= 0.05

I hope it helps!

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