A laboratory has a 75-gram sample of radioactive material. The half-life of the material is 10 days. (This means that it
takes 10 days for half of the initial mass to decay.)
The formula below can be used to find m, the remaining
mass in grams, in terms of t, the number of 10-day intervals
the mass has been decaying.
75(0.5)^t
Based on the formula, what is the mass of the laboratory's
sample remaining after 30 days?

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the median is   36 orr sum like dat

step-by-step explanation:

6(h+1)/2=a

a=area

step-by-step explanation:

its the same thing as a square or rectangle but after multiplying two sides you need to divide it by two.

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