Which classification describes the following system of equations? 5x+y+2z=13 4x+3y+6z=17 x+2y=4 inconsistent and dependent consistent and dependent consistent and independent inconsistent and independen

assuming you mean addition: addition and subtraction are reverse operations.

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hi! i think the answer is 1/2 : )

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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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d. corresponding side lengths in similar triangles are proportional in length.

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