The interest on a bank balance is calculated as $216.43621 Round this amount to the nearest penny.

Red = 9.939
Blue = 9.8
Green = 235.7
Yellow = 9.7
Purple = 9.853
Brown = 216.44
Grey = 235.8
Turquoise = 9.851
Black = 9.930
Orange = 216.43

An athletics meeting rounds times to the thousandths place for races.

A sprinter took 9.929743 seconds.

What was their rounded time?

dd

step-by-step explanation:

dd

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50

54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.