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what is the awenswer to this math problem 7C 4

 Jul 10, 2015

Best Answer 

 #6
avatar+14538 
+5

Hello Melody, please look my last answer.


http://welt-zeit-uhr.de/zahlensysteme/


I hope you have understood ?!


Gruß radix !

 Jul 10, 2015
 #1
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0

what is the awenswer to this math problem 7C 3

 Jul 10, 2015
 #2
avatar+118696 
+5

nCr(7,4)

 

(7!4!×(74)!)=35

 Jul 10, 2015
 #3
avatar+26396 
+5

what is the awenswer to this math problem 7C 4

what is the awenswer to this math problem 7C 3

 

7C4=7C3=(74)=(73)=35

 

 Jul 10, 2015
 #4
avatar+14538 
+5

7C4        16 - system     =>    1988  decimal 

7C4        13 - system     =>    1343  decimal

7C4        15 - system     =>    1759  decimal

 

    7               C          4           in 16 -system

7*16²  +  12*16  + 4   =    1988       in the decimal system

 

7×162+12×161+4×160=1988

 

Gruß radix !

 Jul 10, 2015
 #5
avatar+118696 
0

I don't understand your answer Radix   

 Jul 10, 2015
 #6
avatar+14538 
+5
Best Answer

Hello Melody, please look my last answer.


http://welt-zeit-uhr.de/zahlensysteme/


I hope you have understood ?!


Gruß radix !

radix Jul 10, 2015
 #7
avatar+118696 
0

Yes I understand.

Thanks Radix :)

 Jul 10, 2015

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