Solve the following equation by first writing the equation in the form a x squared = c:

Mathematics

2 answers:

Radda [10]3 years ago

5 0

Answer:

The Quadratic Formula: Given a quadratic equation in the following form:

ax2 + bx + c = 0

...where a, b, and c are the numerical coefficients of the terms of the quadratic, the value of the variable x is given by the following equation:

\small{ x = \dfrac{-b \pm \sqrt{b^2 - 4ac\phantom{\big|}}}{2a} }x=

−b±

−4ac

∣

Step-by-step explanation:

TiliK225 [7]3 years ago

5 0

hack_in_progress

hack_32113123_vixenzoko_1_brainliest_11_anwsers_30_thanks_32113123_

answers_Answer: Diseases brought by Spanish missionaries killed many American Indians. Hope this helps qwq I'm not sure I'm exactly right though Explanation:

_Answer: Snell's Law states that the ratio of the angle of incidence to the angle of refraction of a wave as it travels through a boundary between two media is a constant termed the refr…

_Answer: They are nominated by the President... Explanation: Hope this helps OwO_

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Nana76 [90]

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Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the z-score of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

n instances of a normal variable:

For n instances of a normal variable, the mean is $n\mu$ and the standard deviation is $s = \sigma\sqrt{n}$