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svp [43]
3 years ago
9

Find the highest common factor of 12 and 28

Mathematics
2 answers:
Natalija [7]3 years ago
8 0
28/12 = 12*2+4
12/4 =3

Therefore the hightest common factor of 12 and 28 is 4.

Hope this helps !

Photon
klasskru [66]3 years ago
3 0
The highest common factor of 12 and 28 is 4.

Voila! Your answer.
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Use signed numbers to solve. A helicopter descended 1200 feet, rose 800 feet, and then descended 450 feet. What was the net gain
sergey [27]
The rise or an increase in altitude is represented by positive sign and a decend or decrease in altitude is represented by negative sign. 

First the helicopter descended 1200 feet. So the change in altitude will be -1200 feet.

Then the helicopter rose by 800 feet. So the change in altitude will be 800 feet.

Finally the helicopter descended by 450 feet. So the change in altitude will be -450 feet.

The net change in altitude will be the sum of all the above 3 changes. 
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Step-by-step explanation:

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50:10 in simplest form
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Step-by-step explanation:

5 0
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Ede4ka [16]

Answer:

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Step-by-step explanation:

Given the 2 equations

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Add (2) and (3) term by term to eliminate y

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7 0
3 years ago
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