How to calculate percentile.

Mathematics

2 answers:

Law Incorporation [45]2 years ago

4 0

Answer:

Step-by-step explanation:

Percentile Formula

P = (n/N) × 100

Where,

n = ordinal rank of the given value or value below the number

N = number of values in the data set

P = percentile

Percentile = (Number of Values Below “x” / Total Number of Values) × 100

Monica [59]2 years ago

3 0

Answer: $\frac{x}{x+....}$ ×100

Step-by-step explanation:

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The coordinates of the vertices of ΔPQR are (–2, –2), (–6, –2), and (–6, –5).

melamori03 [73]

<h3>Answer:</h3>

Yes, ΔPʹQʹRʹ is a reflection of ΔPQR over the x-axis

<h3>Explanation:</h3>

The problem statement tells you the transformation is ...

... (x, y) → (x, -y)

Consider the two points (0, 1) and (0, -1). These points are chosen for your consideration because their y-coordinates have opposite signs—just like the points of the transformation above. They are equidistant from the x-axis, one above, and one below. Each is a <em>reflection</em> of the other across the x-axis.

Along with translation and rotation, <em>reflection</em> is a transformation that <em>does not change any distance or angle measures</em>. (That is why these transformations are all called "rigid" transformations: the size and shape of the transformed object do not change.)

An object that has the same length and angle measures before and after transformation <em>is congruent</em> to its transformed self.

So, ... ∆P'Q'R' is a reflection of ∆PQR over the x-axis, and is congruent to ∆PQR.

6 0

4 years ago

What is the solution to this inequality x-7>8

Veronika [31]

Answer:

Choice a: $x>5$