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➷ First convert from kilograms to grams:
3kg = 3000g
Assuming all the newspapers weight the same, you just need to divide the values:
3000/12 = 250
Each newspaper weighs 250g
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➶ Hope This Helps You!
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Answer:
20.75-13=7.75
Maria studies 7.75 hours in April
Step-by-step explanation:
Brainliest would be appreciated
Answer:
12ft
Step-by-step explanation:
Behold, my crudely drawn diagram!!!
Edit: The red side is the hypotenuse/escalator length, the green side is adjacent to the angle/the escalator height, and the blue bits refer to the angle. Also it's supposed to be a right triangle but I forgot the little box we typically put in the corner to indicate the 90° angle.
Using some geometric knowledge of right triangles, we know that the Cosine of an angle is equal to the length of the adjacent side divided by the lenght of the hypotenuse. So:
Cos(39.81°) = h ÷ 15.5ft
*Here I've called the top of the escalator's height "h"*
By solving for h and plugging it into a calculator I get:
h = Cos(39.81°)•(15.5) = 11.906...
But they want it rounded to the nearest foot, so your answer is 12ft.
The 2 sides of the right triangle is 25 and 24.
Any multiple of a Pythagorean triple is also considered a Pythagorean triple. Multiplying 3, 4, 5 by 2 gives 6, 8, 10, which is another triple. To see if a set of numbers makes a Pythagorean triple, plug them into the Pythagorean Theorem.
3,4,5 5,12,13 7,24,25 8,15,17 9,12,15
Final Result: 25,24
You divide 510 by 3 because he takes it in three doeses, So the answer would be 170mg