Answer:
The time-mean speed of the minivans is of 105.8 seconds.
Step-by-step explanation:
Mean of a data-set:
The mean of a data-set is the sum of all values in the data-set divided by the number of values.
Five minivans, times of: 98.0, 108.0, 113.0, 108.0, 102.0, in seconds.
Thus, the mean is:

The time-mean speed of the minivans is of 105.8 seconds.
Answer:
x= -1/3
Step-by-step explanation:
2x+7x=-3
9x/9= -3/9
x = -1/3
Answer: 13
Step-by-step explanation:
1. Harry has 20/20 sweets
2. Nadia takes 7/20 sweets
3. Your left with 13/20
Circumference = 2*pi*radius.
Pi = 3.
2 * pi * r = 96
2 * 3 = 6.
2 * 3 * r = 96
Find r: 96/6 = 16.
2 * 3 *16 = 96.
r = 16.