1. Calculate the average speed of a car that travels 600m in 60 seconds.

2. Calculate the average speed of a cyclist who travels 100m in 5 seconds.

3. Calculate the average speed of a train that travels 4000m in 80 seconds.

4. Calculate the average speed of a bus that travels 2500m in 500 seconds.

5. Calculate the average speed of a rocket that travels 3000m in 2 seconds.

1-10m/s

2-20m/s

3-5/m/s

4-5m/s

5-1500m/s

Step-by-step explanation:

using formula of speed i.e. speed=distance/time or v=s/t. solve for all five cases.

we get,

1- v=s/t=600/60 =10m/s

2- v=s/t=100/5 =20m/s

3- v=s/t =400/80=5m/s

4-v=s/t=2500/500=5m/s

5-v=s/t=3000/2=1500m/s

from the figure we get,

the x axis shows   the months and,

the y-axis shows the number of satisfied customer.

each line or each cell in upward direction (y-axis) shows 500.

the appropriate scale for the y - axis is: -

a = 2000 customers

b = 4000 customers

c = 6000 customers

d = 8000 customers

e = 10000 customers

f = 12000 customers

g = 14000 customers

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11