A) x^2+3x+5
B) 3x^3+5x^2
C) 3x^2+5
D) x^3+5
Answer: The required time needed to deliver 72 papers is 2 hours 24 minutes.
Step-by-step explanation: Given that 9 papers are delivered in 18 minutes.
We are to determine the time needed to deliver 72 papers.
We will be using the UNITARY method to solve the problem.
We have
Time needed to deliver 9 papers = 18 minutes.
So, time needed to deliver 1 minute will be
Therefore, time needed to deliver 72 papers is given by
Thus, the required time needed to deliver 72 papers is 2 hours 24 minutes.
the answer =8.3,,,,,,,,,,,,,,,,,,,,,,
Start by proving to them that the number 0.57 can be converted into a fraction . A whole number can't exactly be put in to a fraction. 0.57 can be converted to 14.25/25. This information means that 0.57 IS a rational number. Hope this convinced them!