83 students choose to attend one of three after school activities: football, tennis or running. There are 53 boys. 36 students choose football, of which 6 are girls. 15 students choose tennis. 18 girls choose running. A student is selected at random. What is the probability this student chose running? Give your answer in its simplest form.

38.55% or 32/83

Step-by-step explanation:

First of all, we need to write down the amount of students in each activity:

Football = 36

Tennis = 15

Running = 18 girls + 14 boys (the remainder of the 83 students) so 32 students.

So 32/83 as a percentage is 38.55%

Thus, the chance of the randomly selected student being in the Running category is 38.55% or 32/83.

step-by-step explanation:

a. 12.5 kg

step-by-step explanation:

f = ma

so

m = f/a = (2500 n)/(200 m/s²) = 12.5 kg

1 n = 1 kg·m/s²