3 years ago

Triangle ABC is a right triangle with the right angle at

Mathematics

1 answer:

lina2011 [118]3 years ago

8 0

It is 45 degrees.....

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Alex_Xolod [135]

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Step-by-step explanation:

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PLS HELP ! Will give brainliest!

Rasek [7]

Given:

The quadratic equation is :

$16x^2-20x-6=0$

To find:

The quadratic formula for the given equation after substituting the values.

Solution:

If a quadratic equation is $ax^2+bx+c=0$ , then the quadratic formula is:

$x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}$

We have,

$16x^2-20x-6=0$

In this equation, $a=16,b=-20,c=-6$ .

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$x=\dfrac{-(-20)\pm \sqrt{(-20)^2-4(16)(-6)}}{2(16)}$

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A coin is biased to show 35% heads and 65% tails. the coin is tissed twice. what is the probability that the coin turns up heads

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The required probability is:
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