50 < 8 - 6x
50 - 8 < 6x
42 < 6x
7 < x
Answer:
The probability that exactly one switch is good is

Step-by-step explanation:
The probability that a switch is defective is:

The probability that a switch is not defective is

Therefore, if two switches are selected, the probability that exactly 1 is good is:



The complete question is
"What is the value of this expression when c= -4 and d= 10?
1/4 (c^3+d²)
A.2
B.9
C.21
D.41"
The value of this expression when c = -4 and d = 10 will be option B 9.
<h3>What is a simplification of an expression?</h3>
Usually, simplification involves proceeding with the pending operations in the expression.
Simplification usually involves making the expression simple and easy to use later.
The given expression is

Hence, the value of this expression when c = -4 and d = 10 will be option B 9.
Learn more about an expression here:
brainly.com/question/1249625
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Sorry this is quite hard but will you answer any question from me and here is the answer 9x feet