Answer:
18
Step-by-step explanation:
First choose the president. From the 4 people, everyone can be the president except Dan, so there are 3 choices.
Then, choose the treasurer. Neither Bob nor Dan can be the treasurer so there are only 2 choices.
Now choose the secretary. Cyd is the only person who can't take this position, so there are 3 choices.
We are asked by the number of ways of choosing the 3 officers. Using the product rule, this is equal to 3×2×3=18.
Answer:
18
Step-by-step explanation:
Few numbers of the students are standing in a circle.
Students are evenly spaced and given that the 6th student is directly opposite to the 15th student.
So, in the half-circle, there are ( 15 - 6 ) = 9 students spaced evenly.
Therefore, in the full circle, there will be all together ( 9×2 ) =18 students evenly spaced. (Answer)
Answer:
The required function is:
Step-by-step explanation:
The weight of the baby increases 2lbs per month which means that it is a linear function.
Now given that the initial weight was 8lbs it will remain constant.
Let t be the number of months and as the weight gain is 2 lbs per month, 2t will be the weight gain after t months.
The function can be written as:
Hence,
The required function is: