Answer:
Average speed is 48 km per hour
Step-by-step explanation:
A student drove to the university from her home and noted that the odometer reading of her car increased by 16.0 km. The trip took 20.0 min. (a) What was her average speed? in km/hr
Distance traveled is 16 km and the time taken is 20 minutes
convert minutes into hour. to convert minutes into hour we divide by 60 because 1 hour = 60 minutes
![\frac{20}{60} =\frac{1}{3}](https://tex.z-dn.net/?f=%5Cfrac%7B20%7D%7B60%7D%20%3D%5Cfrac%7B1%7D%7B3%7D)
so time = 1/3 and distance = 16
Average speed = distance by time
![speed =\frac{16}{\frac{1}{3} } =\frac{48}{1}= 48](https://tex.z-dn.net/?f=speed%20%3D%5Cfrac%7B16%7D%7B%5Cfrac%7B1%7D%7B3%7D%20%7D%20%3D%5Cfrac%7B48%7D%7B1%7D%3D%2048)
Average speed is 48 km per hour
We notice it diviides by 3 each time or multiplies by 1/3
common ratio is 1/3
first term is 648
so next 3 terms are 8, 8/3, and 8/9
rule is an=648(1/3)^(n-1)
Answer:
Slope= -1
Step-by-step explanation:
The point is X
Answer:
Hello! answer: 268
Step-by-step explanation:
When doing these you want to find each face separately then add them up so here are all the faces... 24 + 24 + 80 + 80 + 30 + 30 = 268 so 268 is our surface area! Hope this helps!
Answer:
-1 and 10
Step-by-step explanation:
x2-9x-10
=x2-10x+x-10=0
=x(x-10)+1(x-10)
=(x+1)(x-10)
=x=-1,10