What is 66% off of 20.00 ?

Mathematics

2 answers:

Papessa [141]3 years ago

5 0

I think that it's 13.20? not very sure!

KonstantinChe [14]3 years ago

4 0

66% of 20.00 is 13.20.

The question asks 66% off of 20.00, so I assume he meant:

20.00 - 13.20 = 6.80

Hope this helps!

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<h3>What is a quadratic equation?</h3>

It's a polynomial with a value of zero. There exist polynomials of variable power 2, 1, and 0 terms. A quadratic equation is an equation with one statement in which the degree of the parameter is a maximum of 2.

The expression is x² + x.

Then the constant should be added to form a perfect square trinomial.

Then the constant will be

The square of the half of the coefficient of the variable x is to be added to make a perfect square.

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$\rm \rightarrow x^2 + x + \dfrac{1}{4}\\\\\\\rightarrow x^2 + 2 \times \dfrac{1}{2} x + \left (\dfrac{1}{2} \right )^2\\\\\\\rightarrow \left (x + \dfrac{1}{2} \right)^2$