Answer:
90
Step-by-step explanation:
Not sure if that are the only answer options, but the correct answer is 90. If you plug 90 to the equation you will get 93 = 93. I have attached a picture of me solving the equation. If you are confused I will help you, but hope this helps, thank you :) !!
Answer:
Step-by-step explanation:
Given
Required
Probability of selecting 2 nickels without replacement
This can be represented as:
The solution is as follows
The second nickel is reduced by 1 because the first nickel was not replaced and this also reduces the total by 1
So, we have:
Option A:
Option C:
Option F:
Solution:
Given expression is .
Option A:
Hence is equivalent expression of
.
Option B:
Hence is not equivalent expression of
.
Option C:
(proved in option A)
Hence is equivalent expression of
.
Option D:
Hence is not equivalent expression of
.
Option E: 75
75 is a whole number.
Hence 75 is not equivalent expression of .
Option F:
(proved in option A)
Hence is equivalent expression of
.
Therefore, are all equivalent expressions of
.