The frequency of the sinusoidal graph is 3 Hz.
<h3>What is frequency of sinusoidal graph?</h3>
The frequency of a sinusoidal graph is the number of complete waves for every 2π units.
The frequency of the sinusoidal graph is determined by counting the number of complete waves from 
to 
units.
From a sketch of the graph;
Thus, the frequency of the sinusoidal graph is 3 Hz.
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Calista should not give up on her education and she should set a timetable.
<h3>Advices that Calista can follow </h3>
- She should not give up, Calista should not give up on her education since she had already started, but continue to encourage herself.
- Set a timetable, Calista should have a timetable of how to run her day to day activities which can better help her have time for her studies.
Therefore, Calista should not give up on her education and she should set a timetable for herself that will work for her.
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The energy associated with food is chemical energy.
The food contain carbohydrates, proteins, vitamins and minerals, that are used by chemical reactions in the live organisms (the metabolism) to build the cells that form our tissues (muscles, bones, blood).
The chemical energy is stored as chemical bonds in the cells and is released when the bonds break giving energy that we use to run about, and move and talk (kinetic and sound energy).
The child which urgently warrants immediate attention from the nurse is the one with convulsion
<h3>What is child's convulsion?</h3>
Convulsion simply refers to a seizure that occurs in children aged between six months and six years
So therefore, the child which urgently warrants immediate attention from the nurse is the one with convulsion
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