Which is the volume of a cylinder with a radius of 6 feet and a height of 10 feet? (use 3.14 for .) a. 1,129.88 cubic feet b. 1,130.40 cubic feet c. 1,130.24 cubic feet d. 1,131.00 cubic feet

B. 1,130.40 cubic feet

Step-by-step explanation:

Volume of a cylinder is

V = pi * r^2h

We know r=6 and h =10 and use 3.14 for pi

V = 3.14 * 6^2 *10

V =3.14*36*10

V = 1130.4 ft^3

hello,

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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