Pharmaceutical companies prefers experimental studies to conducting surveys and observational studies because companies can manipulate or suggest methods easily to have good outcomes and they are able to directly observe the results. Experimental studies is a type of study in which a procedure and method is intentionally introduced.
Answer:
10 days
Step-by-step explanation:
We are given that
Each person takes 56 days
7 painters take time=
painter days
In first 6 days , 7 painters take time=
painter days
After 6 days , 28 volunteers are added then,
Total persons=28+7=35
Now, remaining days=392-42=350
Therefore, number of days are required before the painting of the king of rock 'n' roll is completed=
days
Hence,10 more days are required before the painting of the king of rock 'n' roll is completed
Answer:A
Step-by-step explanation: 6 divided by 420 = 70
Answer:
Answer B
Step-by-step explanation:
x = 0
fx =2*3
f(0)=2
f(1) =6 (1,6)
Answer is Graph B
<em><u>Hope this helps.</u></em>
Answer:
2
Step-by-step explanation:
The reciprocal of a number n is 
Here n = 0.5, then reciprocal is
= 2