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Valentin [98]
3 years ago
12

What is gcf and lcm? idont understand

Mathematics
2 answers:
Nutka1998 [239]3 years ago
5 0
GCF means greatest common factor and LCM means Least common multiple. 
pogonyaev3 years ago
5 0
GCF is greatest common factor, for example the GCF of 4 (1, 2, 4) and 12 (1, 2, 3, 4, 6, 12) is for because that is the biggest factor they have in common.

LCM is lowest common multiple, for example the LCM of 4 (4, 8, 12, 16, 20, 24, etc.) and 12 (12, 24, 36, 48, 60, etc.) is 12 because that is the smallest multiple they have in common.

You really need to know the difference between a factor and a multiple to understand it.

Hope this helps. :)
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7 0
3 years ago
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The tires on your bicycle have a radius of 8 inches. How many rotations does each tire make when you travel 700 feet? Round your
Inessa [10]
"One rotation" would be the circumference of the wheel, which is

C = 2*pi*r, or  (here)  C = 2*pi*(8 inches) = 16*pi inches.

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Convert this to feet:  16*pi inches  times  ---------------
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Here "inches" cancels out and you are left with (4/3)pi ft.

So, one rotation of the wheel moves you and your bike forward (4/3)pi ft.

Divide this into 700 feet:

700 ft            2100 
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7 0
3 years ago
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Question 2: -4/3

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6 0
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