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2 years ago

Identify the polygon and classify it as regular or irregular.

Mathematics

2 answers:

pochemuha2 years ago

5 0

Answer:

regular

Step-by-step explanation:

What makes a polygon regular or irregular?

A polygon which has all its sides of equal length and all its angles of equal measures is called a regular polygon. ... Therefore, a regular pentagon is a regular polygon. Irregular polygon: A polygon which has all its sides of unequal length and all its angles of unequal measures is called an irregular polygon.

Nimfa-mama [501]2 years ago

3 0

Answer: YES

Step-by-step explanation: A polygon which has all its sides of equal length and all its angles of equal measures is called a regular polygon. ... Therefore, a regular pentagon is a regular polygon. Irregular polygon: A polygon which has all its sides of unequal length and all its angles of unequal measures is called an irregular polygon.

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Find the second derivative at the point (2,2), given the function below. 2x^4=4y^3

Bogdan [553]

The second derivative at the point (2,2) is 34/9

<u>Explanation:</u>

<u></u>

2x⁴ = 4y³

2x⁴ - 4y³ = 0

We first need to find dy/dx and then d²y/dx²

On differentiating the equation in terms of x

dy/dx = d(2x⁴ - 4y³) / dx

We get,

dy/dx = 2x³/3y²

On differentiating dy/dx we get,

d²y/dx² = 2x²/y² + 8x⁶/9y⁵

$\frac{d^2y}{dx^2} = \frac{2 X 2^2}{2^2} + \frac{8 X 2^6}{9 X 2^5}\\ \\\frac{d^2y}{dx^2} = 2 + \frac{16}{9}\\ \\$

d²y/dx² = 34/9

Therefore, the second derivative at the point (2,2) is 34/9

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3 years ago

Prove : (sec θ - tan θ )^2 = 1 - sin θ /1+sin θ

labwork [276]

$(sec x - tan x)^2 \\ \\ = sec^2x - 2 sec x tan x + tan^2 x \\ \\ =(1+tan^2 x) - 2 sec x tan x +tan^2 x \\ \\ =1 - 2 sec x tan x + 2 tan^2 x \\ \\ = 1 - 2tan x(sec x - tan x) \\ \\ =1 - \frac{2 sin x}{cos x} (\frac{1-sin x}{cos x}) \\ \\ = 1 - \frac{2 sin x (1-sin x)}{cos^2 x} \\ \\ =1 - \frac{2 sin x (1-sin x)}{1-sin^2 x} \\ \\ =1 - \frac{2 sin x (1-sin x)}{(1-sin x)(1+sin x)} \\ \\ =1-\frac{2 sin x}{1+sin x}$

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Setler79 [48]

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Lauren bought 5 pizzas for $17 each. She paid with a $100 bill.

Lelechka [254]

The first blank is 17
2nd blank is 85
3rd blank is 15

wat happened is
C=paid-costofpizzas
paid=100
costofpizzas=number of pizzas times cost per pizza
costofpizzas=5 times 17

so
C=100-5 times 17
C=100-85
C=15
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3 years ago

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Fed [463]

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