Find the domain and graph of F(t)=t/|t|​

this shows a reflection over the x-axis and is translated one unit down and 6 units to the right (x + 6, y - 1)

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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:

a)(x-2)^2+(y-1)^2=9

step-by-step explanation:

(picture explains)

answer: they are supplementary angles

step-by-step explanation: 161+19=180. supplementary angles equal 180 degrees