Determine if 0.8555555555555555 is rational or irrational and give a reason for your answer.

It is an irrational number

Step-by-step explanation:

An irrational number cannot be expressed as a ratio between two numbers and it cannot be written as a simple fraction because there is not a finite number of numbers when written as a decimal. Instead, the numbers in the decimal would go on forever, without repeating.

The speed in yards per second is 34.9349 yard/sec.

Step-by-step explanation:

Given : A cheetah is the fastest of all land animals and has been known to run up to speeds of 115 km/hr.

To find : What is this speed in yards/second ?

Solution :

We have to convert km/hr into yards/ second.

We know that,

1 kilometer = 1093.61 yards

1 hour = 3600 seconds

So, 115 kilometer per hour into yards per second is

Therefore, The speed in yards per second is 34.9349 yard/sec.