22 people are in your PE class and you are to select 3 of them for your team. How many ways?
1 answer:
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Answer : The correct option is
Step-by-step explanation :
According to the BODMAS rule, when the expression contains brackets open ((), {}, []) we have to first simplify the bracket followed by of (powers and roots etc.) and then we have to solve the division, multiplication, addition and subtraction from left to right order (respectively).
The given expression is:
Thus, the given expression is equivalent to
Answer:
(In Interval Notation:
)
Step-by-step explanation:
Given the following binomial:
You know that if this binomial is in the interval:
It must be:
Therefore, in order to find for what values of "x" the binomial belongs to the given interval, you need to solve the inequality.
Then, you get:
Now, you can write this in Interval notation.
Since it is an Open Interval, you must use parentheses. Then, this is: