Find the common ratio for the geometric sequence defined by the formula: an=40(2–√)n−1
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Answer:
Step-by-step explanation:
Let:
The area of the cardboard can be calculated using the formula to find the area of a rectangle:
The area of the new cardboard would be:
So:
Solving for h:
Therefore, the dimensions of the initial cardboard are:
<u><em>Translation:</em></u>
Sea:
El área de la cartulina se puede calcular usando la fórmula para encontrar el área de un rectángulo:
El área de la nueva cartulina sería:
Entonces:
Resolviendo para h:
Por lo tanto, las dimensiones de la cartulina inicial son:
There are 142506 ways in which 5 students can be selected out of 30 students.
<h3>How can a certain number of individuals be selected using a combination?</h3>The selection of 5 students out of 30 students can be achieved with the use of combination since the order of selection is not required to be put into consideration.
By using the formula:
where;
- n = total number of individual in the set = 30
- r = number of chosing individuals to be selected = 5
Learn more about combination here:
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