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MatroZZZ [7]
3 years ago
15

Brainliest + Points! Mathematicians needed

Mathematics
1 answer:
Zina [86]3 years ago
8 0

Answer: D. 4167 Hertz

Step-by-step explanation:

We know that the formula to calculate frequency by using time period is given by :-

\nu= \dfrac{1}{T}, where T is the time period.

We are given that the time period of a musical note :

T=0.00024\text{ seconds}

Then , the frequency of the musical note is given by :-

\nu= \dfrac{1}{0.00024}=4166.66666667\approx4167\text{ Hertz}

Hence, the frequency of the musical note = 4167 Hertz

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vovikov84 [41]

Answer:  12,997 - 7,580 = x

x= 5417

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Hope this helps

8 0
4 years ago
A motel rents double rooms at $34 per day and single rooms at $26 per day. If 26 rooms were rented one day for a total of $804,
lubasha [3.4K]

Answer: 16 double rooms and 10 single rooms were rented.

Step-by-step explanation:

Let x represent the number of double rooms that were rented.

Let y represent the number of single rooms that were rented.

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x + y = 26

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Substituting x = 26 - y into equation 1, it becomes

34(26 - y) + 26y = 804

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y = - 80/ - 8 = 10

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x = 16

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3 years ago
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