Triangle DEF is isosceles, where Line segment D F is-congruent-to line segment F E. Angle FDE is bisected by segment DG, creating angle GDE with a measure of 29°. Isosceles triangle D E F is shown. Angle F D E is bisected by segment D G. Angle G D E is 29 degrees. What is the measure of angle DFE? 29° 32° 58° 64°

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3; 9 is 8 to -4

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

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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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