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draveon6925
11.02.2022 •
Mathematics
How much animals have died from plastic in the ocean 2022?
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Ответ:
we dont know an exact but
Over 1 million marine animals (including mammals, fish, sharks, turtles, and birds) are killed each year due to plastic debris in the ocean
Step-by-step explanation:
Currently, it is estimated that there are 100 million tons of plastic in oceans around the world.
Ответ:
over 1 million
Step-by-step explanation:
i answered this question a while ago
Ответ:
The cord is 9.6 cm away from the centre of the circle.
Step-by-step explanation:
See The Image First
The image below shows a picture of everything that’s given, labeled, and drawn in the circle.
Description of the Picture:
You can use the Pythagorean to find the what the distance (the length b) the cord is from the center. You can use the radius as the hypotenuse. The radius is half of the diameter, and the diameter is 25. So the radius is 12.5, which means that 12.5 is the hypotenuse of the triangle (also known as side c). The whole length of the cord is 16cm long, and we can use half of the cord, which is 8cm, for the triangle. So we know two sides already: the hypotenuse (the radius) and the length a of the triangle (half of the length of the cord).
To Solve (variables a, b, and c, are in italics so you don’t get confused):
⇒ Use the formula of the Pythagorean Theorem (
), where b is the length of the distance from the cord to the centre of the circle (what we need to find out), a is the length of the side of the triangle (half of the cord size – 8cm), and c is the hypotenuse (the radius – 12.5cm). So plug the given values of b and c into the formula:
⇒ Solve for a by simplify:
⇒ Subtract 64 from both sides:
⇒ Find the square root of both sides to get a by itself:
⇒ Simplify to get:
The cord is 9.6 cm away from the centre of the circle.
I hope you understand and that this helps with your question! :)