The cone and cylinder above have the same radius, r, and height, h. The volume of the cone is 81 cubic centimeters. What is the volume of the cylinder? A. 324 cubic centimeters
B. 27 cubic centimeters
C. 243 cubic centimeters
D. 162 cubic centimeters​

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10000

step-by-step explanation: divide by 2,

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b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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not me

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