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BARSIC [14]
3 years ago
8

How do you know when youcan stop looking for factor of a number

Mathematics
2 answers:
tia_tia [17]3 years ago
5 0

Answer:

If a number is even, it's divisible by 2, i.e. 2 is a factor. If a number's digits total a number that's divisible by 3, the number itself is divisible by 3, i.e. 3 is a factor. If a number ends with a 0 or a 5, it's divisible by 5, i.e. 5 is a factor.

Step-by-step explanation:

icang [17]3 years ago
3 0

Answer:

The quickest way to find the factors of a number is to divide it by the smallest prime number (bigger than 1) that goes into it evenly with no remainder.

Step-by-step explanation:

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(0,2)

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I need help please and thank you
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20 degrees.

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3 years ago
Simplify.<br><br><br><br> A.<br> –28xy<br><br> B.<br> –28<br><br> C.<br> 28xy<br><br> D.<br> 27
Evgen [1.6K]

Your attachment says:            (-1/2) · (4x) · (-2) · (7y) · (-1)

Let's put together the
1st, 3rd, and 5th factors:        (-1/2) · (-2) · (-1)  =  -1

So now we have                      (-1) · (4x) · (7y)

Well                                           (4x) · (7y)  =  (4 · 7) · (x · y)  =  28 · x · y

So all together we have          (-1) · (28 · x · y)  =  -28xy  


8 0
3 years ago
Read 2 more answers
20-x/7=18 how to solve<br>problem
3241004551 [841]
20 - x/7= 18
subtract 20 from both sides

-x/7= -2
multiply both sides by 7

-x= -14
divide both sides by -1

x= 14


ANSWER: x= 14

Hope this helps! :)
6 0
4 years ago
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