Complete each blank to find an expression that is equal to 16%.
a. __ for every 100,
b. __for every 50,
c. 1 for every
d. 0.5 for every
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a. __ for every 100.

16 per cent is 16/100 or 16 per hundred, so the answer will be 16 here.

b. __for every 50.

Now, 50 is half of 100, so half of 16 will be 8.

c. 1 for every __.

= Means 1 out of 6.25

d. 0.5 for every __.

We will half the part C answer.

It will be =

is only a line? i think so

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