The number 2 is a factor of _________.

Mathematics

2 answers:

MissTica1 year ago

8 0

<h3>hello!</h3>

2 is a factor of all even numbers (numbers that end with 2, 4, 6, 8, 0)

Option A) is wrong because 1, 3, 5, 7, 9 & numbers that end with the digits listed above are not evenly divisible by 2; this is the reason why Option C) is wrong.

In order for a digit/number to be a factor of a number, it should be evenly divisible by that number.

Hope everything is clear; if you need any more explanation/clarification, kindly let me know, and I will comment and/or edit my answer. :)

zmey [24]1 year ago

5 0

the number 2 is a factor of all even numbers (b)

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$b=a+3\\
c=a+6\\
a^2+b^2=c^2\\\\
a^2+(a+3)^2=(a+6)^2\\
a^2+a^2+6a+9=a^2+12a+36\\
a^2-6a-27=0\\
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a(a-9)+3(a-9)=0\\
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$

The length can't be negative, so the answer is 9 cm.