A stack of cards is numbered 1 through 50 if a student selects a card what is the probability that the student will select a car
1 answer:
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To solve this problem you must apply the proccedure shown below:
1. You must apply the following formula:
Where is the future value,
is the present value,
is the interest rate and
is the time in years.
2. You have that the bank will double your money in years. Therefore:
3. Substitute values into the formula and solve for , as following:
4. By applying natural logarithm, you have:
%
The answer is: %
Answer:
A
Step-by-step explanation:
Discriminant is given by
If it is negative then in quadratic formula the square root part becomes negative which makes the solution complex.
so there cannot be any real solution if the Discriminant is negative or less than 0 ,
The correct option for the given question is
A