2 years ago

A 180 degree rotation around the origin

Mathematics

1 answer:

ivanzaharov [21]2 years ago

3 0

Answer:

Rotation of a point through 180°, about the origin when a point M (h, k) is rotated about the origin O through 180° in anticlockwise or clockwise direction, it takes the new position M' (-h, -k)

Step-by-step explanation:

IDK if this helped you out

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The equation below describes a proportional relationship between x and y. What is the constant of proportionality? 2 у= 5Х.

tatuchka [14]

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So the equation that you have is 2y=5X.

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Step-by-step explanation:

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3 years ago

What is the total measure of an average man's brain and heart in kilograms

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2 years ago

Levart [38]

Answer:

4:25

Step-by-step explanation:

Given that,

r₁ = 15 inches, r₂ = 6 inches

The area of the cylinder is given by :

$A=2\pi rh+2\pi r^2$

The ratio of surface areas of two cylinders,

$\dfrac{S_2}{S_1}=\dfrac{2\pi r_2h_2+2\pi r_2^2}{2\pi r_1h_1+2\pi r_1^2}\\\\\dfrac{S_2}{S_1}=(\dfrac{r_2}{r_1})^2\\\\=\dfrac{6}{15}^2\\\\=\dfrac{4}{25}$