We need to see the paragraph 5
E sounds like reasonable choice in a safe method
The purpose of a model is to take a complex, real-world situation and pare it down to the essentials. If designed well, a model can give the analyst a better understanding of the situation and any related problems. A good model is simple enough to be understood while complex enough to capture key information.
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While professional singers can command a pitch range of two octaves or more, an untrained voice is usually limited to about "An octave and a half".
<u>Answer:</u> Option C
<u>Explanation:</u>
A musical interval between two notes or between one musical pitch and another with double its frequency, is called an octave. Like A3 to A4 is the interval of one octave. It is a natural mechanism popular as the "basic miracle of music" its application is well spread in most of the musical systems. The pitch in one or more than one octave can be calculated as follows:
For an instance, if one note has a frequency of 440 Hz
- One octave above has a pitch: 2 × 440 Hz = 880 Hz (A5).
- The frequency of two octaves above is: 2 x 880 Hz = 1760 Hz (A6).
- The note one octave below is at 220 Hz
- The ratio of frequencies of two notes an octave apart is hence 2:1.
Answer:
Explanation:
A shopkeeper may serve clients at a counter, and/or carry out other duties. Some examples of the duties are,taking customer payments, helping customers, giving change,and wrapping gifts and purchases ( mostly around the holidays or special event). A shopkeeper also orders stock from manufacturers,big companie, and much more. Shopkeepers have grown more popular over the decades.
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Yours Truely, TheAnimeCatUwU
