the square below is dilated by a scale factor of 1/2. find the perimeter and area of the square below, as well as the perimeter and area of the dilated square.

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Step-by-step explanation:

The area for the original square is 1089 and the perimeter is 132.

The area for the dilated square is 272.25 and the perimeter is 66.

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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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step-by-step explanation:

d. all of the above

step-by-step explanation: