Match the name of the sampling method descriptions given. situations divide the population by age and select 5 people from each age selecting a classroom number at random then surveying all the students in that room asking your 20 closest friends call every 15th phone number on every 5th page of the phone book number every name on a list and use a random number generator to select the first 50 numbers

54.864 meters

step-by-step explanation:

let's call the solutions x₁ = (5 - 2√7)/3 and x₂ = (5 + 2√7)/3

then the equation is (x-x₁)(x-x₂) = 0

if you fill that in you get a lot of numbers which you can recognize as ax²+bx+c=0.

step-by-step explanation:

you can see that a=1 (there is just an x²)

b = (-5 -2√7 + 2√7 - 5)/3 = -10/3

c = -2√7)/3 ) * (-5+2√7)/3) = -1/3

so your answer is 3x^2 – 10x – 1 = 0

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sweetheart, there isn't a cube below.