Answer:
1/2
Step-by-step explanation:
It is a independent problem. Flipping a head the first time will not affect the other results therefore it is still one half.
Answer:
25% change
Step-by-step explanation:
(15 - 12) / 12 = 3/12 = 1/4 = 0.25
51/300 = x/100 <- percent proportion
51 x 100 = 5100 <- to solve, use cross products
5100 ÷ 300 = 17 <- divide the result of the cross product and the other number to find the value of x
51 is 17% of 300
Answer:
387.08
Step-by-step explanation:
A=πr2=π·11.12≈387.07563
