What two numbers multiply to -1620 and add to -9
1 answer:
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The system has Infinitely many solutions.
Step-by-step explanation:
We need to find how many solutions are there in:
Let:
Adding eq(1) and eq(2)
Since a constant term is equal to constant term, so the system has Infinitely many solutions.
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Answer:
the expression is:
and 2730 different ways are possible.
Step-by-step explanation:
In the given question we have to choose a president, vice
president, and secretary.
Permutations are used when order is important so, as in the given question order is required. We would use permutations
The formula used is: where:
n=total number of objects
r=number of objects selected
In our case: n=15, r=3
Putting values and finding the answer:
So, the expression is:
and 2730 different ways are possible.