A solid, S, is made from a hemisphere and a cylinder. The centre of the circular face of the hemisphere and the centre of the top face of the
cylinder are at the same point

(20 - 4x) cm
The radius of the cylinder and the radius of the hemispheres are both x cm.
The height of the cylinder is (20 - 4x).
The volume of S is " V " where
V=1/3 xy.
Find the maximum value of y.
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This is fractions casey shared a pizza with some friends.they each ate 1 third of the pizza. how many people shared the pizza

Anumber cube is rolled and a coin is tossed. the number cube and the coin are fair. what is the probability that the number rolled is less than 4 and the coin toss is tails?

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.