2-(-4)/0-2What is the answer?
1 answer:
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Answer:
Step-by-step explanation:
for this equation
a=3
b= -5
c = -7
The sum of equal to
and the product is equal to
. All you do is replace the values. You can prove both of those using the quadratic formula.
Answer: C. 30.47
Step-by-step explanation:
The mean of discrete random variable i.e. the expected value of X is given by :-
Now by using the given table, the expected value of X is given by :-
Hence, the mean of discrete random variable= 30.47