explain how you could write a quadratic function in factored form that would have a vertex with an x coordinate of 3 and two distinct roots.

idk

step-by-step explanation:

i don't know

make sure you have version 2.50

try looking in the very back of the book : )

step-by-step explanation:

you can download it here

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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h= 12 inches

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