2 Emily is building a sandbox for her daycare children. Her sandbox will be approximately 12 feet by 24 feet. She wants the sand to be one foot deep. She goes to the store to buy sand and sees
the following bags of sand.
Brand
for 8
nd B:
bs for 5 dollars
$ 5
75
What is the rate that Brand A is selling for? Give the rate and then specify the unit rate.

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step-by-step explanation:

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10000

step-by-step explanation: divide by 2,

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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