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How do I solve for negative modular arithmetic? Here is an example: -45 mod 13 = 7, but how?Asked by Francesca
How do I solve for negative modular arithmetic?
Here is an example: -45 mod 13 = 7, but how?
Here is an example: -45 mod 13 = 7, but how?
Answers
Answered by
Mgraph
-52 mod 13 = 0
-45-(-52)=7
-45-(-52)=7
Answered by
MathMate
You can add multiples of 13 until you get a positive number, example:
-45+4(13)=-45+52=7
or even
-45+10(13)=-45+130=85≡7 mod 13
-45+4(13)=-45+52=7
or even
-45+10(13)=-45+130=85≡7 mod 13
Answered by
Francesca
Thanks for your help!
Also, I am kind of confused about finding the value of x.
Example: 9x ≡ 1 mod 10
How do I solve this?
Also, I am kind of confused about finding the value of x.
Example: 9x ≡ 1 mod 10
How do I solve this?
Answered by
Anonymous
how long will it take for a 10,000 investment to grow to 15,000if it is compounded continuously at 5 %
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