First you need to find the r, if C=2pieR, than 2.4=2pieR now you divide 2.4 by 2 so you got 1.2=pieR now you divide 1.2 by pie and obtained aproximately 0.38 miles, that is your R, now you do pie multiply by 0.38 exposant 2 and there you go, your answer is aproximately 0.45 miles2 :)
Answer:
Third and forth.
Step-by-step explanation:
Marks up mean increasing the price.
Answer:
68.27%
Step-by-step explanation:
By the Empirical Rule, as 65% and 75% are both one standard deviation apart from the mean of 70%, then this represents 68.27% of the data.
Answer:
Rita is left with approximately 
Step-by-step explanation:
Given:
Price for trousers= 
Price for shirt = 
Price for headscarf = 
Total Money she Spent = Price for trousers + Price for shirt + Price for headscarf = 
Total Money she had before = 
∴Total Money left = Total Money she had - Total Money she spent = 
Rounding to nearest whole number ≈ 
Answer:
The answer is C.
Step-by-step explanation:
Multiply 4 by 76, 77, and 78.
4 * 76 = 304
4 * 77 = 308
4 * 78 = 312
304 = 304, so C is the correct answer.
Hope this helps!
