Answer:
5 minutes
Step-by-step explanation:
If the mean arrival rate is 0.2 students per minute, the expected time interval between student arrivals, in minutes, is determined by the inverse of the arrival rate:

The interval between student arrivals is, on average, 5 minutes.
Answer:
3/2= 1 1/2
Step-by-step explanation:
on the chart the x goes on the top and y on the bottom so the answer is 1 1/2.
Answer:
31. 122
32. 2400 cans
Step-by-step explanation:
31.
fig 1=1
fig 2=10
fig 3=26
fig 4=50
fig 5=82
fig 6=122
32. 520/13=40
40(60)=2400
Answer:
Not 100% but i think its A
Step-by-step explanation:
Answer:
9t^2+(t+2)^2
Step-by-Step:
t is 9 X t, or the product of 9 and t. ^2 is squared while + is increased t+2 is the sum of t and t. the ^2 after the parenthesis is indicating the "square of t and 2"