Answer:
The Definition of Inverse Operations
A pair of inverse operations is defined as two operations that will be performed on a number or. variable, that always results in the original number or variable. Another way to think of this is. that the two inverse operations “undo” each other.
Example: Addition and subtraction are inverse operations.
Answer:1&3
Step-by-step explanation:
Answer:
slope: 3 for N and 1/2 for O
Step-by-step explanation:
Answer:
(b) 1/792
Step-by-step explanation:
The complete question is;
<em>Counting: Grading One professor grades homework by randomly choosing 5 out of 12 homework problems to grade.</em>
<em>(a) How many different groups of 5 problems can be chosen from the 12</em>
<em>problems?</em>
<em>(b)Probability extension: Jerry did only 5 problems of one assignment. What is the probability that the problems he did comprised the group that was selected to be graded?</em>
<u>In (a)</u>
<u></u>
Apply the formula

where n=12 and r=5
substitute values

In (b)
If Jerry did only 5 problems of one assignment then the probability will be

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