Tutor profile: Parvesh K.
Subject: Discrete Math
How many plate of salad are possible with four different vegetables?
Since we have 4 different vegetables. So total number of plates of salad possible= 2^4=16 but these 16 plates also contain 1 plate that is empty. so actual number of total number of plates of salad=16-1=15
Find the rate of change of f(t)=5sint
Rate of change of f(t) is given by f'(t) rate of change is f'(t)=5cost.
Find z value of a test of Adam in mathematics. He scores 79. The class has the mean score of 75 with standard deviation 5.
Z score of a variable is given by z=(x-mean)/sd =>z=(79-75)/5 =>z=4/5 =>z=0.80
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