Step-by-step explanation:
mean=sum of observarion/totalno. 9f ovservation
14+16+x/3=12
30+x=36
x=6
Answer:
110 km
Step-by-step explanation:
He walks 22 km every day, for 5 days
d = (km in one day) * (days)
d = 22 * 5
d = 110
Answer:
The axis of symmetry of a parabola is a vertical line that divides the parabola into two congruent halves
Answer:
54 seconds
Step-by-step explanation:
Wanda's walking rate = 3 ft/s
Wanda's head start = 27 s
Dave's walking rate= 4.5 ft/s
Let 't' be time after Dave started walking
The distance walked by Wanda and Dave, respectively, as a function of 't' are given by:

The instant 't' at which Dave catches up to Wanda (both distances walked are equal) is:

Answer:
$23.41
Step-by-step explanation:
$9.95 + $13.46 = $23.41