Clarence ran 15 miles in 120 minutes. If he always runs at the same speed,how long will it take him to run 6 miles? How fast doe
2 answers:
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Answer:
or
(Not sure which one is preferred in your case)
Step-by-step explanation:
<u>Key skills needed: Evaluating expressions</u>
1) We are given:
2) To solve for the x variable, we want to leave the term with "x" by itself.
This means we add 10 to both sides
--> (Since -10 and +10 cancel out to make 0 or nothing)
3) Then we divide by 5 on both sides to get "x" completely by itself.
----->
4) You can keep it as is so -->
or you can divide "y" by 5 and "10" by 5 and get -->
(I am not sure which form is preferred one is preferred as the teacher matters)
<em>Hope you understood and have a nice day!!</em>
Answer: 8359
Step-by-step explanation:
The formula for sample size needed for interval estimate of population proportion :-
Given : The significance level :
Critical value :
Previous estimate of proportion :
Margin of error :
Now, the required sample size will be :-
Hence, the required sample size = 8359