2 years ago

How long does it take for light from a star that is 8 light years away to reach Earth?

Mathematics

1 answer:

Scrat [10]2 years ago

8 0

Answer:

Step-by-step explanation:

8 earth years

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One-third of a number x is equal to 22 less than the number.

(1/3)x=x-22

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A rectangular plot of land that measures 14m by 22m needs to be split diagonally from corner to corner using a fence. How long d

RoseWind [281]

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Step-by-step explanation:

This diagonal creates a right triangle with one leg 14m and another leg 22 m. We can use pythagorean theorem to figure out the diagonal (hypotenuse of the right triangle).

Pythagorean theorem tells us $hypotenuse^2=OneLeg^2+OtherLeg^2\\hypotenuse^2=14^{2}+22^{2}\\hypotenuse^2=680\\hypotenuse=\sqrt{680} =26.08m$

The fence needs to be 26.08 meters (rounded to 2 decimal places)

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