Answer:
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Step-by-step explanation:
3/4 + 3/4 = (3 + 3)/4 = 6/4 = 3/2
5 - (x + 5) - (2x + 4)
5 - x - 5 - 2x - 4
-3x - 4
when coin is flipped 5 times probability is 1/2
so coin heads comes out to be 2.5
This is a binomial distribution with a probability of success = 0.5 (fair coin).
n=10
so
mean = E[x] = np =10*0.5 =5
The complete question is :
Question: What is the coefficient in the expression 10x²-7?
The coefficient in the expression
is 10
<h3>What is Coefficient?</h3>
A numerical or constant quantity placed before and multiplying the variable in an algebraic expression.
According to the question,
The expression given is ![10x^{2} -7](https://tex.z-dn.net/?f=10x%5E%7B2%7D%20-7)
The variable given is x
We need to find the coefficient in the expression.
In the given expression x is the variable and the number before the x is coefficient which is 10 .
Hence the coefficient in the expression is 10.
Learn more about coefficient here:
brainly.com/question/22241464
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