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Sphinxa [80]
2 years ago
10

Find the distance covered in 10 revolution by a road roller of diameter 4.2m​

Mathematics
1 answer:
IceJOKER [234]2 years ago
3 0
The distance is 131.9m.
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Round each number to the nearest ten. 283
arsen [322]
283 rounded to the nearest ten is 280
When rounding to the nearest ten look at the number to the right of the place you are rounding. In this case it is the 3. If the number is 5 or higher you go up to the nearest ten. If the number is lower than 5 like it is in this number you round down to the nearest ten.
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3 years ago
Help Not sure .. does anyone have a clue ?
denis23 [38]

Answer:

Step-by-step explanation:

f(x)=2(x+4)(x-1)

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5 0
2 years ago
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Multiply y^2-16/2y . 5y/y-4
alisha [4.7K]
So, first we multiply the fraction by using the formula a/b times c/d= a times c/b times d
=(y^2-16) times 5y/2y(y-4)
Now, we cancel the common factor y
=(y^2-16) times 5/2(y-4)
Now, we factor 5(y^2-16)
We factor (y^2-16) first
y^2-16
Rewrite 16 as 4^2
y^2-4^2
Now, apply the formula x^2-y^2=(x+y)(x-y)
=y^2-4^2=(y+4)(y-4)
=5(y+4)(y-4)
=5(y+4)(y-4)/2(y-4)
Cancel the common factor y-4
=5(y+4)/2
Answer: 5(y+4)/2



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3 years ago
Whole Lot If there are 7 bears in a room and they each hug each other once and only once, how many total bear hugs were there al
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