Answer:
6
Step-by-step explanation:
2,400 divided by 400 = 6
Answer:
n=5
Step-by-step explanation: happy to hlp
Answer: (E) Not necessarily, because this wasn't an experiment
Step-by-step explanation:
As much as the results would suggest that the fast-paced music was responsible for the faster finishing time, this conclusion cannot be authoritatively made because this was not technically an experiment but rather a test to satisfy curiosity.
An experiment is planned and is scientific. It has more stringent requirements that ensure causation that Roshanda did not meet before she engaged in this trial so we cannot say for a fact that her findings are objective.
I do not know my friend . Answer for this
Answer:
Aman's age = 20, Arun's age = 28
Step-by-step explanation:
Let 
= Aman's age
Let 
= Arun's age
- - - -
(Sum of their age is 56 after 4 years in the future)
(Ages are in the ratio 5:7)
Now, we can use substitution to find for Arun's age:
∴ Arun is 
To find for Aman's age, we can use substitution:
∴ Aman is 20
Hope this helps :)
