Answer:
40
Explanations
Have to multiple 20 by 2 then your answer would be 40
Answer:
Combination, but keep in mind that if the committee had two open positions, say President and Secretary, it would be a permutation
Step-by-step explanation:
The first thing to keep in mind is the difference between combination and permutation.
The main difference is that in the combinations the order does not matter, whereas in the permutations the order does matter.
Combination example:
Choose 7 people for a project.
Example of permutation:
Choose 5 men for each specific role in a soccer team.
Therefore, "group of 5 senators is chosen to be part of a special committee" is a combination, but keep in mind that if the committee had two open positions, say President and Secretary, it would be a permutation.
Answer:7 familes
21 divided by 3=7
Step-by-step explanation:
Answer:
7.01 x 10^-3
Step-by-step explanation:
Answer:
The temperature on Tuesday was 13.3 degrees Celcius, 3 degrees less than that of Monday.
Step-by-step explanation:
Given that the temperature on Monday was 16.3 degrees Celsius, and the following Tuesday the temperature dropped about 3 degrees, to determine the temperature of that day the following calculation must be made:
16.3 - 3 = X
13.3 = X
Thus, the temperature on Tuesday was 13.3 degrees Celcius, 3 degrees less than that of Monday.