The value of an industrial embroidery machine is decreasing according to the function defined by V(t) = 9,990(3)-0.15
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A: the rate at which the value of the machine depreciates
B: the original value of the machine
C: the value of the machine after 3 years
D: the amount of time it takes for the value of the machine to reach zero

translate k to n and reflect across the line containing jk.

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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: