2 years ago

PLEASE HELP ME?e?e?E?E?e??m?m?m?m?m?E?E?E??eE?

Mathematics

2 answers:

Svetach [21]2 years ago

8 0

Answer:

-3/4 is the answer to your question

Colt1911 [192]2 years ago

7 0

- 75/100 is the answer.

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2 years ago

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What are the exact solutions of x^2 − 3x − 7 = 0?

bulgar [2K]

<u>Given</u>:

The given equation is $x^{2} -3x-7=0$

We need to determine the exact solutions of the equation.

<u>Exact solution:</u>

The exact solution of the equation can be determined by solving the equation using quadratic formula,

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

From the equation the values are a = 1, b = -3 and c = -7

Thus, substituting these values in the equation, we get;

$x=\frac{-(-3) \pm \sqrt{3^2-4(1)(-7)}}{2(1)}$

$x=\frac{3 \pm \sqrt{9+28}}{2}$

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Thus, the exact solutions of the given equation is $x=\frac{3 \pm \sqrt{37}}{2}$

Hence, Option A is the correct answer.

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2 years ago

A fair two-sided coin is tossed 750 times. Find the probability the first 750 tosses land

meriva

I say go with -(1/2) ^ 750

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