Answer: 3.36
Step-by-step explanation: 75minutes / 28= 2.678571428571429
9/2.678571428571429=3.36 times
For a:
(2400*2*PI)/60(seconds) = 80 PI RAD/Sec
For b:
arc length s= radius r * central angle(in radians)
= ((80*pi*7.5)/(2*pi)
=25
The answer to your question, is 4 inches
hope this helps :D
Answer:
88.1
Step-by-step explanation:
(a) 
(b) 
(c) 
Solution:
To write each of the given expression in the form
:
(a) 
Using exponential rule: 


(b) 
Divide numerator and denominator by the common factor 2, we get

Using exponential rule: 


(c) 
Divide numerator and denominator by the common factor 7, we get

Using exponential rule: 

