I think it’s 39. Sorry if I’m wrong!
Answer:
32d
Step-by-step explanation:
-The students ride their bikes to and from school every day. The distance is thus;

-Taking that there are 5 school days per week and that it rains in one per week. the total number of days is:

Now, we multiply the distance per day by the total number of days:

Hence, the total distance in a 4-week period is expressed as 32d ( where d is the distance from home to school).
Answer:
$6,000
Step-by-step explanation:
The mean value of a sample is assumed to be the same as the mean of the population. The mean of a uniformly distributed variable between 0 and 160 is:

If the mean cost for each machine is $80, the mean aggregate cost for a sample of 75 machines is:

The mean aggregate maintenance cost is $6,000.
Answer:
Step-by-step explanation:
The answer would be 176
Answer:
1. x=0 y=-20
2. x=0 y=7.5
Step-by-step explanation: